Meet our faculty and staff who engage with our students daily to understand who they are and how they learn. Teacher-student relationships are the foundation of a student’s educational journey.
Meet our Team
Chris Bessonette
Head of School, Jackson Campus
Head of School, Jackson Campus
Connect with me: 307.203.7892, chris.bessonette@tetonscience.org
Chris’s path, like a great hiking trail, has been full of twists and turns. Originally from a small town in western Oregon, he has lived in Austria, California, and Germany, teaching outdoor education and working in independent schools. Chris first moved to Jackson to teach at Teton Science Schools’ Journeys School. After fourteen years teaching at a dual language immersion public school, he will now lead Mountain Academy as the Head of School. Chris received a Master’s in Curriculum and Instruction from the University of Wyoming.
Additionally, he studied language acquisition and holds an English as a Second Language teaching endorsement. He is also a National Board Certified Teacher, a National Geographic Certified Teacher, and was honored as a Milken Educator in 2018. An avid adventurer, he has guided expeditions for the National Outdoor Leadership School (NOLS) as a backpacking and rock climbing instructor. Chris recently completed a new educational adventure by studying bilingual education in Taiwan on a Fulbright teacher research program. He lives in Jackson, Wyoming, with his wife and teenage son.
Leila Poutiatine
Head of School, Teton Valley Campus
Head of School, Teton Valley Campus
Raised in New England, Leila first experienced the majestic mountains of the west at college in CO. Comforted by the humbling impact of living near vast natural places, she settled on the CA coast for 18 years before moving with her family to Teton Valley in 2018. Her own early fascination with exploring the natural world led her to pursue a BS in biology from Smith College. She put her science skills to use teaching 7th grade biology when she launched her career in independent schools in 1994. Most recently she has been honing her love of teaching and learning in schools committed to honoring the natural curiosity and wonder inherent in unique learners of all ages.
Mountain Academy Administration
Jenny Brackin
Director of Teaching and Learning, Jackson Campus
Director of Teaching and Learning, Jackson Campus
Jenny graduated with a degree in education from the University of Colorado Boulder and has an M.Ed. in curriculum and instruction, with an emphasis on arts integration, from Lesley University. She holds certifications and state licensure to teach K-6 and K-12 art. Jenny has been an elementary classroom teacher since 2009 and an informal educator long before that. She is a passionate educator dedicated to igniting the spark of curiosity in her students by designing creative and engaging curricula. She believes in project-based, hands-on learning and strives to cultivate an environment where each student is inspired to explore and discover.
Rachel Rubin
Early Childhood Assistant Director and Lead Preschool Faculty, Jackson Campus
Early Childhood Assistant Director and Lead Preschool Faculty, Jackson Campus
Rachel is an educator who finds joy in creating spaces where young children can explore, take risks, and connect deeply with the world around them. Her 7.5 years working at an outdoor education school in Houston, Texas, shaped her belief in the power of nature and play to inspire curiosity, confidence, and connection in young learners. With a graduate degree in education from Vanderbilt University and a background in both early childhood and auxiliary programming, she has led teams across classrooms, after-school programs, and summer camps. She is passionate about building strong, collaborative teams that center children’s needs, support joyful learning, and foster a deep sense of belonging for students, families, and educators. Whether designing hands-on programming, guiding explorations in nature, or creating opportunities for play and discovery, she leads with intention, creativity, and care. Now in her 10th year in independent schools, and after a wonderful year teaching preschool at Mountain Academy, she is excited to step into the role of Atelierista, introducing every child in the program to the “hundred languages.” Outside of school, she’s most often found on the trails with her dog Rosie, riverside camping, or bird watching.
Joanna Cooke
Student Support Faculty for Kindergarten – 8th, Jackson Campus
Student Support Faculty for Kindergarten – 8th, Jackson Campus
Joanna’s journey in education has centered around connecting young people to nature. In 1997, she began her career as an outdoor educator in California. She spent ten years teaching school groups in the Sierra Nevada Mountains and working as an interpretive park ranger in Yosemite National Park. She has written six books for young readers, all focusing on the human connection to nature and science. Joanna holds a BA in Environmental Studies from Mount Holyoke College, an MFA in Writing for Young People from Lesley University, and an M.Ed. in Elementary Education from Prescott College. She and her family have lived in Jackson for 17 years. She teaches third grade at Munger Mountain Elementary School, a Spanish dual immersion program in the Teton County School District.
Paige Fisher
Director of Early Childhood, Jackson Campus
Director of Early Childhood, Jackson Campus
Paige’s appreciation and curiosity about the natural world began in both New Mexico and Vermont. Paige deepened this curiosity through her education at the University of Vermont and discovered a love for teaching about nature through a sense of place during her time at Shelburne Farms. As a Peace Corps volunteer, Paige served for three years in the high Andes of Ecuador and recognized the beauty of experiencing the world through different perspectives and languages. Paige continued her love for ecology and education through the graduate program at TSS. Paige is a passionate educator who strives to inspire curiosity and empathy in children through play and discovery of the world around them, and has done so with young children at TSS for the past 10 years. Paige is a lifelong learner and recently received a graduate certificate in the Reggio Emilia philosophy. She believes children can be the protagonists of their own learning, and we can support this through our observations and documentation of children’s curiosities, as well as by using our environment as the third teacher. Paige is excited to collaborate with and lead the early childhood team at Mountain Academy.
McKenzie McBride
Kindergarten – 2nd Faculty & Office Manager, Jackson Campus
Kindergarten – 2nd Faculty & Office Manager, Jackson Campus
McKenzie grew up in Southern California but has strong roots in Jackson. After spending many summers in the valley visiting family and working seasonal jobs, she made Jackson her permanent home in 2015. Her education career in Jackson began as a special education paraprofessional in the Dual Immersion Program at Jackson Elementary School, where she discovered a passion for helping young learners grow. She later spent seven years at Teton Literacy Center, teaching preschool, Practice Kindergarten, afterschool programs, and summer camps, while also leading staff training and professional development. McKenzie loves working with young learners because of their curiosity and enjoys bringing learning to life through great books, hands-on projects, and meaningful connections to the world around them. McKenzie is thrilled to be part of the Mountain Academy community and values the school's commitment to place-based learning.
Outside of school, she enjoys exploring Jackson Hole and Grand Teton National Park through hiking and paddleboarding. She also loves reading, painting, traveling, and photography, and especially enjoys taking photos alongside her grandfather, a retired Los Angeles Times photojournalist.
Avalee Fray-McCroskey
Office Manager & Summer Program Director, Teton Valley Campus
Office Manager & Summer Program Director, Teton Valley Campus
Avalee is from Washington state where she spent many years running summer programming at camps in the San Juan Islands. She managed a horseback riding program and later logistics for a sea-kayak based trip program. She attended Eckerd College in St. Petersburg, Florida where she received her Bachelor's degree in Psychology and Religious Studies. Avalee spends her free time doing yoga, swimming, hiking, and skiing.
Renee Pilbeam
Senior Director of Enrollment Management
Senior Director of Enrollment Management
Renee Pilbeam joins Teton Science Schools as Senior Director of Enrollment, where she is excited to help families discover a community of learning, belonging, and adventure. She brings more than 15 years of experience in admissions, enrollment, marketing, and educational leadership, and holds a Doctor of Education in Educational Technology from Arizona State University. Originally from northern Wisconsin, Renee recently relocated to Jackson from Boise, Idaho, with her son, Preston, and is grateful to now call the Tetons home. She is passionate about building authentic relationships and helping families find the right educational fit for their children. Outside of work, she enjoys sewing, thrift shopping, riding bikes, and exploring the mountains and trails with Preston. She looks forward to getting to know the Teton Science Schools community and welcoming families to this remarkable place!
Betsy Trowbridge
Director of Teaching and Learning, Math Faculty, Teton Valley Campus
Director of Teaching and Learning, Math Faculty, Teton Valley Campus
A transplant originally from New England, Betsy joined Teton Science Schools in 1995 to participate in the newly established graduate program. After a brief stint in Berkeley for graduate school and a few years teaching upper elementary, Betsy returned to TSS to join the faculty of Journeys School in its third year. Over the years at TSS, Betsy has held various roles focused on creating engaging learning environments rooted in place. She now returns to the Director of Teaching and Learning position after spending a few years coaching with TSS's Professional Learning Team and writing curricula for organizations such as YELLOW and PBL Works.
Donna Tully
Middle School Curriculum and Kindergarten – 8th Place-Based Education Support, Jackson Campus
Middle School Curriculum and Kindergarten – 8th Place-Based Education Support, Jackson Campus
Donna, originally from West Virginia, has called many places home—including Germany, California, North Carolina, Oklahoma, Hawai‘i, and now Wyoming. Her passion and curiosity about science and nature were gained at a very young age, having spent countless hours exploring the great outdoors. Her earlier work with The Nature Conservancy further ignited a deep and lifelong commitment to protecting wild places and the life they sustain. With a Bachelor of Science and a Master of Science in Education, Donna has spent the past 18 years as a high school science educator in Oklahoma, Hawai‘i, and the past seven years in Jackson. Her educational philosophy emphasizes instilling a sense of curiosity, stewardship, and a deep connection to place in her students, as she invites nature into the classroom and her students into nature. Passionate about experiential and place-based learning, she has recently engaged in 2-week field courses situated in Nepal, Ecuador, the Galápagos, and Iceland. Donna is an avid gardener, hiker, backpacker, community volunteer, reader, and traveler, always eager to explore new landscapes and cultures. She lives in Wilson, Wyoming, with Simba, the feline who rescued her, and continues to be inspired by the beauty and wonders of the world around her.
Lee Zderski
Director of Learning Support, Teton Valley Campus
Director of Learning Support, Teton Valley Campus
Jackson Campus Faculty
Rachel Rubin
Early Childhood Assistant Director and Lead Preschool Faculty, Jackson Campus
Early Childhood Assistant Director and Lead Preschool Faculty, Jackson Campus
Rachel is an educator who finds joy in creating spaces where young children can explore, take risks, and connect deeply with the world around them. Her 7.5 years working at an outdoor education school in Houston, Texas, shaped her belief in the power of nature and play to inspire curiosity, confidence, and connection in young learners. With a graduate degree in education from Vanderbilt University and a background in both early childhood and auxiliary programming, she has led teams across classrooms, after-school programs, and summer camps. She is passionate about building strong, collaborative teams that center children’s needs, support joyful learning, and foster a deep sense of belonging for students, families, and educators. Whether designing hands-on programming, guiding explorations in nature, or creating opportunities for play and discovery, she leads with intention, creativity, and care. Now in her 10th year in independent schools, and after a wonderful year teaching preschool at Mountain Academy, she is excited to step into the role of Atelierista, introducing every child in the program to the “hundred languages.” Outside of school, she’s most often found on the trails with her dog Rosie, riverside camping, or bird watching.
Maria Del Rosario Vasquez
Young Toddler Lead Faculty
Young Toddler Lead Faculty
In Maria’s many years working with young children, she has developed a deep passion for this age group. The growth that happens between a young toddler and a toddler is incredible. Being a part of their journey as they learn how to name and handle their emotions, such as when they are feeling sad, angry, or frustrated, is an honor. Children are just learning to use their words, and Maria enjoys guiding them through this process. Maria is excited to continue exploring the possibilities of place-based education at Mountain Academy, weaving together the Reggio Emilia philosophy with nature-based practices. Maria was the 2025 Champion of Children Award Winner, a prestigious accolade that celebrates outstanding Early Childhood Educators in Teton County. Maria took home the top honor, earning the title of Best Early Childhood Educator of 2025. Maria believes that we live in a beautiful place, and she is excited to connect children to nature in meaningful ways.
Emily Winder
Lead Young Toddler & Toddler Outdoor Explorations Faculty and After School Faculty
Lead Young Toddler & Toddler Outdoor Explorations Faculty and After School Faculty
Emily graduated from Appalachian State University in Boone, NC, with a bachelor’s in Outdoor Experiential Education. Her love of the mountains brought her from the Blue Ridge to the Tetons. She is passionate about being outdoors and using education to help others understand the importance of keeping our lands pristine. She started at TSS in 2024 and has thoroughly enjoyed sharing her love of the natural world with young children through place-based education and immersing herself in the Reggio Emilia philosophy. Outside of work, you can find her on the local hiking trails with her dog or anywhere on the river!
Alex Mallado
Lead Toddler Faculty
Lead Toddler Faculty
Alex grew up in Mexico and moved to Jackson in 2020. She holds a degree in International Business from the University of Wyoming. Through her work at a local childcare center, Alex discovered a deep passion for early childhood education and gained valuable hands-on experience supporting young children’s growth and development. Alex believes children have much to teach and is inspired by their curiosity and creativity. She is excited to bring her experience, warmth, and thoughtful approach to the Toddler program at Mountain Academy, while continuing to grow as an educator and expand her teaching practice in this new role. She is passionate about creating joyful, engaging experiences that support each child’s learning journey and strives to make a meaningful impact. Outside the classroom, Alex enjoys cooking, building with Legos, hiking, exploring new places, and spotting wildlife. She is currently learning how to swim and is loving the challenge. Alex looks forward to learning and adventuring alongside the children in her care.
Jess Cossack
Lead Preschool Faculty
Lead Preschool Faculty
Jess graduated from Boise State University with a bachelor's degree in Psychology. After graduating, she realized her true passion was working with young children and supporting their growth during the early years of development. She was drawn to Teton Science Schools because of its place-based approach to learning, and she looks forward to learning about and implementing the Reggio Emilia philosophy in her teaching. Jess loves working with children, especially in early childhood, and one of her favorite parts of teaching is watching their curiosity grow as they explore the world around them. She hopes to foster a lifelong sense of wonder while continuing to grow as a learner and educator through this opportunity at Teton Science Schools. In her free time, she enjoys baking, painting, and hiking with her dog, Connie.
Amanda Yolles
Lead Preschool & Pre-K Outdoor Explorations Faculty
Lead Preschool & Pre-K Outdoor Explorations Faculty
Amanda grew up in the San Francisco Bay Area and graduated with honors from Bates College with a B.A. in Environmental Studies and Education. During college, she taught in Lewiston Public Schools and an outdoor preschool in Camden, Maine, where she developed a passion for place-based, nature-centered education. Her academic research explored the intersection of outdoor education, creativity, and climate resilience, and she is excited to bring those ideas into the classroom at Teton Science Schools. Amanda strives to foster curiosity, wonder, and a meaningful connection to nature, using the outdoors as a classroom and teacher. She believes in building a community rooted in joy, curiosity, and mutual learning, and supporting each child in becoming the best version of themselves. Outside of the classroom, Amanda is a nationally certified EMT and ski patroller with a deep appreciation for outdoor recreation and emergency medicine. She also enjoys filmmaking, photography, and watercolor painting as creative ways to tell stories about people and places. In her free time, she skis, hikes, teaches Pilates, sails, and paints.
Kathleen Vickery
Lead Pre-Kindergarten Faculty
Lead Pre-Kindergarten Faculty
Kathleen’s passion for nature-based learning grew from her childhood in the Maine woods. She has worked in diverse early childhood settings, including nature-based centers, farm/homestead-inspired schools, and Reggio Schools in Italy. Kathleen believes nature offers endless opportunities for children to discover, connect, develop empathy, test ideas, overcome challenges, and create new understandings through play and exploration. Using inquiry-based frameworks, she looks to children to inspire the curriculum and enjoys documenting children's work and words. Building community and celebrating the sacredness of childhood drive her work. She is currently pursuing her master's degree in nature-based education from Antioch University. Kathleen completed a global internship at Nido Giulia Maramotti and Scuola dell’infanzia Faber in Reggio Emilia, Italy, where she learned firsthand about the Reggio Emilia Approach, which views the child as beautiful, powerful, competent, creative, and naturally curious. While there, she found inspiration for her own practice and philosophy of education. Outside of school, she enjoys hiking, fly-fishing, cooking, practicing yoga, and camping.
Kaitlin Murphy
Preschool & Pre-K Assistant Faculty and After School Faculty
Preschool & Pre-K Assistant Faculty and After School Faculty
Kaitlin is a recent University of Florida graduate, where she studied Psychology. Kaitlin has always adored working with children of all ages, and she is incredibly grateful to continue spreading joy to the children at Mountain Academy. Although she is new to the Jackson Hole area, Kaitlin is excited to explore its beauty right alongside her students. As a Registered Behavior Technician, Kaitlin learned how to properly support and care for children with diverse needs. She looks forward to supporting her students' growth through Reggio Emilia and nature-based philosophies. In her free time, Kaitlin enjoys crafting, baking, and caring for her cat Penelope.
Ashley Eggers
Early Childhood Music Faculty
Early Childhood Music Faculty
Ashley is passionate about cultivating creativity, kindness, fun, and nourishing environments in her work with children. She has been a part of the Mountain Academy preschool team for the past two years, and she is very excited for her new role as Music Teacher. Music is a language that lives in the hearts and minds of young learners, and this year, Ashley is excited to bring all the singing, dancing, and rhythm to the classroom. Ashley believes that observing nature is a beautiful way to experience presence and interconnectedness with the earth and all of its creatures. With nature as the inspiration, Ashley is excited to foster a fun and magical learning environment where children can play and perform their original ideas. Outside of the classroom, Ashley is a proud mother of two beautiful children, now in high school and middle school. She loves to garden, walk her dog, and live closely to the earth.
McKenzie McBride
Kindergarten – 2nd Faculty & Office Manager, Jackson Campus
Kindergarten – 2nd Faculty & Office Manager, Jackson Campus
McKenzie grew up in Southern California but has strong roots in Jackson. After spending many summers in the valley visiting family and working seasonal jobs, she made Jackson her permanent home in 2015. Her education career in Jackson began as a special education paraprofessional in the Dual Immersion Program at Jackson Elementary School, where she discovered a passion for helping young learners grow. She later spent seven years at Teton Literacy Center, teaching preschool, Practice Kindergarten, afterschool programs, and summer camps, while also leading staff training and professional development. McKenzie loves working with young learners because of their curiosity and enjoys bringing learning to life through great books, hands-on projects, and meaningful connections to the world around them. McKenzie is thrilled to be part of the Mountain Academy community and values the school's commitment to place-based learning.
Outside of school, she enjoys exploring Jackson Hole and Grand Teton National Park through hiking and paddleboarding. She also loves reading, painting, traveling, and photography, and especially enjoys taking photos alongside her grandfather, a retired Los Angeles Times photojournalist.
Nikki Samuels
Kindergarten – 2nd Faculty
Kindergarten – 2nd Faculty
Nikki is inspired by young learners' curiosity and wonder. She has taught in a variety of early childhood and elementary settings and is passionate about nature- and place-based education. Nikki earned degrees in Studio Art and Educational Studies from St. Mary's College of Maryland and a Master of Arts in Teaching (M.A.T.) in Elementary Education from Northeastern University. She also holds an elementary teaching license and an endorsement in Sheltered English Instruction.
Nikki is thrilled to be returning to TSS, where she taught from 2014 to 2017. She and her family have spent the past several years in Vermont's Northeast Kingdom, where she helped run a nature-based school, taught elementary art, published a children's book, and homeschooled her two children.
When she is not teaching, Nikki rides her horse, mucks stalls, and enjoys the outdoors with her family and rescue dogs.
Tony June
3rd – 5th Faculty
3rd – 5th Faculty
Tony’s passion for education grew from early experiences working in outdoor education, summer camps, and team-building programs, where he saw firsthand how challenges and relationships help learners grow.
After earning a degree in Elementary Education from Eastern Illinois University, Tony began his teaching career near Asheville, North Carolina, at a school founded on experiential learning principles. Since then, he has taught in China, Colombia, and Qatar while earning a Master of Education in International Education with a focus on Educational Technology. Across these diverse settings, he has developed a passion for inquiry-based learning, project-based learning, and helping students connect their classroom experiences to the world around them.
While teaching students from a wide variety of cultural backgrounds, Tony found the opportunity to explore the elements of the Place Triangle in a variety of ways.
Taylor Rankin
3rd – 5th Faculty
3rd – 5th Faculty
My name is Taylor Rankin, and I am thrilled to be joining Mountain Academy as a teacher this year. I earned my Bachelor’s degree in Elementary Education from the University of Kentucky and have spent the past two years teaching upper elementary students in Fayette County Public Schools. Throughout my teaching career, I have been passionate about creating engaging, student-centered learning experiences that foster curiosity, confidence, and a love of learning.
One of the things that drew me to Mountain Academy is its commitment to experiential education and connecting learning to the natural world. I believe students learn best when they are actively engaged, exploring meaningful questions, and developing strong relationships with their peers, teachers, and community.
Outside of the classroom, I enjoy hiking, camping, traveling, cycling, rock climbing, and spending time outdoors with my family and friends. I am excited to become part of the Mountain Academy community and look forward to partnering with students and families for a wonderful year of learning and growth.'
Anna Szalay
Middle School ELA and Humanities Faculty
Middle School ELA and Humanities Faculty
Originally from outside Detroit, Michigan, Anna Szalay has been grateful to call Jackson home for the past five years. Her path toward education began during a Fulbright English Teaching Assistantship in Austria, which inspired her to pursue a career working with young people in close-knit mountain communities. Since moving to Jackson, she has worked at Teton Literacy Center as an educator and program leader, supporting middle and high school students through literacy intervention, academic mentoring, and college and career readiness programming. Anna is currently pursuing a Master's in Education with a literacy emphasis and Secondary Social Studies licensure through the University of Wyoming. She is committed to the Jackson community and to helping young people develop the knowledge, confidence, and skills needed to become thoughtful, compassionate, and civically engaged members of their communities.
Sam Neirman
Middle School Math Faculty
Middle School Math Faculty
Sam comes to Teton Science Schools sincerely believing in the power of place, people, and stories. His story began in the Green Mountains of Vermont, where he still vividly remembers his “special place” atop an eroded riverbank overlooking the Ompompanoosuc River. His curiosity for the outdoors led him to pursue a Bachelor of Science in Forestry and Plant Biology. As much as Sam admired the intricacies of sugar maples and white pines while working as a forestry consultant, he yearned for the inspiration of people. For the past dozen years, in a diverse array of managerial and teaching experiences, Sam has explored the intersectionality of education and science. This journey has molded his educational philosophy, in which we all arrive at any moment with a story to tell. It is our responsibility to ensure we provide an inclusive space where that story can be heard and valued. He looks forward to hearing your story when he has the privilege of meeting you. Sam holds an M.S. in Natural Science Education from the University of Wyoming, a graduate program at Teton Science Schools, and a B.S. in Forestry and Plant Biology from the University of Vermont.
Claire Wiley
Middle School Science, Maker, & Project Lab Faculty
David Berry
Art Faculty
Art Faculty
David has been shaped by life in Washington, Idaho, Texas, Tennessee, and Wyoming—he's a bit of everywhere rolled into one. With over a decade of experience as a professional artist specializing in oil painting, photography, and art instruction, he infuses creativity and depth into all his endeavors. David is drawn to the mountains, fueled by a love for horses, and always ready for the next adventure.
Jeffrey Post-Holmberg
Kindergarten – 8th Outdoor Education and Social Emotional Learning
Kindergarten – 8th Outdoor Education and Social Emotional Learning
Jeffrey Post-Holmberg holds a BS in Forestry from Oregon State University. He earned his Master's in Counseling Psychology from Lewis and Clark College in Portland, Oregon. From 1981 to 2006, he was a Course Leader with the National Leadership School (NOLS), where he spent 500 field weeks teaching outdoor skills and leadership worldwide. After earning his Master's degree in 2009, he embarked on a 13-year journey in his private practice as a couples, child, and family therapist in Portland, Oregon. He lives in the Teton Valley with his wife, Sarah, and two sons, Koven and Tenzin.
Ted Meyer
Spanish Faculty & Performing Arts
Spanish Faculty & Performing Arts
Teton Valley Campus Faculty
Elise Pierce
Preschool Division Head, Preschool Faculty
Preschool Division Head, Preschool Faculty
Elise has a Bachelor’s degree in Early Childhood and Elementary Education from Western Washington University. Elise is passionate about creating authentic experiences for children that encourage them to openly explore connections to themselves, their peers, the wider community, and the natural world. These experiences spark joy and wonder in children, building the foundation for strong relationships rooted in kindness, empathy, and action. Elise spends time listening to children in order to learn how best to support their interests as they engage with their world.
Jenevive Parker
Preschool Faculty
Preschool Faculty
Jenevive adds TVC to a long list of connections and contributions in Teton Valley. You may recognize Jenevive from the library Makerspace, or Grand Targhee or Cosmic Apple Gardens. Jenevive spent their high school years at the unique and innovative One Stone Lab School in Boise, where students drive their own learning and meaningful, real-world, community-engaged learning is central to the pedagogy. Jevevive is working toward a degree in Elementary Education and is eager to bring their kind, thoughtful approach to young learners, aligning with our mission to create meaningful learning experiences for students in nature and our surrounding place.
Crystal Merrill
Preschool Faculty
Preschool Faculty
Crystal is moving to Teton Valley from Idaho Falls and bringing her two sons, Niko and Leo, into the preschool program with her. Crystal is an experienced educator, having spent many years in early childhood education across the country and around the world. She is grounded in the belief that childhood should be intentional, connected, and rooted in real experiences. She creates environments where play, nature, and relationships shape meaningful learning. Crystal earned a Master’s degree in Montessori Education from Loyola University in Maryland. She is excited to have found a program that aligns so closely with her values as a teacher and a parent.
Siena Hester
Preschool Faculty
Preschool Faculty
Siena is a gentle soul whose daily life is driven by her deep love for nature. Whether she is exploring with her pups, floating on a river, or simply admiring the sky's beauty, she thrives on the wholeness nature provides. Although she has always lived in the mountains, her first love will always be the Colorado Plateau. Wandering through the sandstone slickrock in Southern Utah will forever be one of her favorite things to do. Siena earned her Bachelor’s degree in Environmental Studies and Sustainable Food and Farming from the University of Montana, where she explored the intersection of science and humanity. This background, paired with her passion for learning, inspired her admiration for place-based education. Firmly believing that to know one's place is to love it, Siena hopes to instill wonder and care for our big, beautiful Earth in the young, capable minds of Mountain Academy’s preschool students.
Tim Gruber
Lower School Division Head, Kindergarten & 1st Grade Faculty
Lower School Division Head, Kindergarten & 1st Grade Faculty
Tim Gruber joined the Mountain Academy community in the fall of 2021 as a lower school faculty member on the Teton Valley Campus (TVC) and now serves as the Division Head for the lower school on the TVC. Tim loves the unique opportunity to form deep relationships with kids, families, colleagues, and community members.
Outside of the classroom you can find Tim running, reading, and sharing stories.
Carla Kanieski
Kindergarten & 1st Grade Faculty
Kindergarten & 1st Grade Faculty
Carla is a passionate and creative educator with degrees in Behavioral Neuroscience and German from Ohio State University. She brings a wealth of experience from working in pediatric healthcare settings, including ABA therapy and behavioral day treatment programs. Carla thrives in dynamic, outdoor environments and is committed to creating joyful, enriching spaces where children can explore and grow. A fluent German speaker with a love for travel, animals, and environmentalism, she brings a global perspective and nurturing spirit to her work.
Emma Berry
2nd & 3rd Grade Faculty
2nd & 3rd Grade Faculty
Emma Berry joined the Mountain Academy community in 2023 as lower school faculty on the Teton Valley Campus. A University of Vermont graduate with a degree in Sociology, Emma leverages her understanding of social dynamics to enrich her teaching practice. She moved to the Tetons to fulfill a childhood dream and is passionate about fostering the “whole-child” approach, committed to creating an environment that supports the academic, social, and emotional development of children.
Outside the classroom, you can find Emma learning new sports, singing, or enjoying time with her family.
Joanna Ahlum
2nd & 3rd Grade Faculty
2nd & 3rd Grade Faculty
Joanna is an educator and ecologist who is passionate about helping students develop a sense of wonder, curiosity, and connection to the world around them. She brings experience in environmental science, place-based education, and experiential learning, having worked with Teton Science Schools in roles supporting graduate education and outdoor learning, and previously taught environmental studies and sciences at Santa Clara University. She is a lifelong learner who loves exploring new questions alongside students and finding meaningful ways to connect learning to place.
Outside of school, Joanna enjoys exploring the Tetons with her husband and their two daughters, dreaming up her next trip to the ocean, working in the garden, and reading a good book recommended by a friend.
Katie O’Connell
4th and 5th Grade & Life Skills Faculty
4th and 5th Grade & Life Skills Faculty
While not in the classroom, Katie can be seen walking her dog Spud, hiking, running, skiing, and working on lots of crafts.
Mike Spence
4th & 5th Grade Faculty
4th & 5th Grade Faculty
Mike Spence joined Mountain Academy in 2025 when his family acted on a longtime dream to move to the Tetons. His passion for teaching is rooted in his time as an NCAA track & field and cross country coach, where he discovered his love for developing the talents of young people. After coaching at Utah State University and the University of Oklahoma, Mike became a full-time dad to raise and homeschool his two sons. In 2018, he launched Athletics United, a nonprofit that uses running, soccer and tutoring as a way to build community with refugee youth and other new American families. Mike majored in economics at Princeton University, and - although he studied A LOT of math - his favorite subject is definitely history. He especially loves teaching the “Why” of education, watching students develop confidence as they unlock their unique purpose and passions through learning.
Mike, his wife (Kristi), their two boys, and their dog love to explore the natural spaces around them by hiking, backpacking, climbing, paddling, running, and cycling every trail they can find.
Brooks Taylor
Middle School Co-Division Head, Middle School Faculty
Middle School Co-Division Head, Middle School Faculty
Kelsie Leu
Middle School Co-Division Head, Middle School Faculty
Middle School Co-Division Head, Middle School Faculty
Kelsie started her journey at Teton Science Schools in 2014 as an AmeriCorps member. She then worked in Field Education as a lead instructor and eventually a faculty member. Kelsie joined Mountain Academy in 2020 and teaches middle school math, science, and project lab on the Teton Valley Campus. Through her professional experiences in environmental education and youth development, Kelsie cultivated a teaching philosophy that prioritized the intersection of place and people. She is eager to develop the next generation of leaders and thinkers who are curious about the world around them.
In her free time, Kelsie enjoys exploring the surrounding mountain ranges on foot and on bike.
Theo Snowdon
Middle School Faculty
Middle School Faculty
David Berry
Art Faculty
Art Faculty
David has been shaped by life in Washington, Idaho, Texas, Tennessee, and Wyoming—he's a bit of everywhere rolled into one. With over a decade of experience as a professional artist specializing in oil painting, photography, and art instruction, he infuses creativity and depth into all his endeavors. David is drawn to the mountains, fueled by a love for horses, and always ready for the next adventure.
Anna Clements
Science Faculty
Science Faculty
Anna grew up in rural Kentucky, spending most of her free time helping out on the family farm or simply playing on it. After graduating from the University of Kentucky, she spent her first seven years as a middle school math and science teacher at Georgetown Middle School while also earning her master's degree in Educational Leadership.
Looking to explore west of the Mississippi, Anna left Kentucky with the intention of taking a few years away from the classroom to travel. She worked for a rafting company on the Arkansas River in Buena Vista, CO, but quickly found herself back in the classroom the following year—this time in the northeast corner of Wyoming.
After a few years of meandering around the West—from Wyoming to California and many places in between—doing a variety of odd jobs, including duck farming, substitute teaching, and coaching volleyball, Anna eventually settled in Teton Valley. She is overjoyed to have found a place at Mountain Academy as the Outdoor Education teacher and Middle School Science teacher.
Outside of work, Anna enjoys paddling new rivers, trail running, climbing, and painting.
Ted Meyer
Spanish Faculty & Performing Arts
Spanish Faculty & Performing Arts
Katie Rose Griffith
Head of Farm & Garden
Head of Farm & Garden
Katie Rose Griffith joined Mountain Academy in 2017, after spending time working for Mountain RootS Education in the garden. She is currently the farm and Garden and Outdoor Education Director. Katie Rose was drawn to the experiential learning through outdoor classrooms at the Teton Valley campus garden.
When Katie Rose isn’t teaching she is in the mountains and visiting the ocean.