Outdoor Learning Experiences

Our Staff

Outdoor Learning Experiences Leadership Team

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Joanna Ahlum

Outdoor Learning Experiences Director of Curriculum & Educator Development

Joanna Ahlum

Outdoor Learning Experiences Director of Curriculum & Educator Development

Before coming to Teton Science Schools, Joanna taught in the Environmental Studies and Sciences Department at Santa Clara University for seven years. She has also been a practitioner in the fields of restoration ecology, conservation agriculture, and environmental education. As an ecologist, she’s interested in how regenerative practices in agriculture and elsewhere can enhance human livelihoods and biodiversity. As an educator and a learner, she’s invested in curating experiences that awaken desire to reconnect with the rest of nature. She loves exploring this amazing place with her husband and their two young girls, visiting the ocean as often as possible, and hanging out on farms.

Kendall Peacock

Head of Outdoor Learning Experiences

Kendall Peacock

Head of Outdoor Learning Experiences

Kendall grew up in Texas and Wyoming and started finding her love of outdoors over summer trips to the Tetons with her family. Many of her best memories are outdoors, in nature, working and learning with others. Kendall received her degrees in Environment and Natural Resources from the University of Wyoming where she also worked for the Wyoming Conservation Corps for 7 years. It was during that experience that place-based education became a draw and eventually led her to the graduate program at Teton Science Schools in 2014. Since then, she has held many roles including instructor and faculty member. Currently she is the Director of Staffing on the Field Education team. 

Hannah McLimans

Outdoor Learning Experiences Director of Operations

Hannah McLimans

Outdoor Learning Experiences Director of Operations

Hannah grew up in Madison, WI and learned to love the outdoors through many childhood camping trips to the Apostle Islands, tending backyard gardens and making art with her dad out of leaves, seeds, shadows and light. She has an undergraduate degree in violin performance from Northwestern University and a Masters of Science in Environmental Humanities from the University of Utah. During her masters work, she studied the relationship between the human and more-than-human worlds as well as our connection to place through the lens of literature, art, history, and philosophy. She has worked throughout the Intermountain West doing botanical field work and fire ecology, served as the assistant editor at the University of Utah Press, taught violin lessons and now plays music in her free time with a local band. She looks forward to sharing her interdisciplinary humanities perspective with students and educators to help us better understand our place in this place.

 

Outdoor Learning Experiences Program Managers and Program Coordinators

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Jessamyn Biette

Outdoor Learning Experiences Program Manager – AmeriCorps & Educator Development

Jessamyn Biette

Outdoor Learning Experiences Program Manager – AmeriCorps & Educator Development

Jessamyn moved to Jackson in January 2019 to work as a field instructor for Teton Science Schools and has served in a variety of roles in Field Education ever since. Throughout her childhood, she spent her summers hiking and camping in the forests of New England and Eastern Canada which helped her develop a connection to natural places at a young age. Jessamyn is a firm believer in the power of education and has pursued a career that allows her to connect hundreds of people to nature each year. Prior to living in Jackson, she spent a year and a half in the White Mountains of New Hampshire facilitating environmental education programming for both the Appalachian Mountain Club and Tin Mountain Conservation Center. Before that, Jessamyn spent her summers teaching for the Massachusetts Audubon Society. In her spare time, she enjoys hiking, skiing and looking at flowers.

Lena Goss

Outdoor Learning Experiences Lead Program Coordinator – Road Scholar

Lena Goss

Outdoor Learning Experiences Lead Program Coordinator – Road Scholar

Lena grew up in the Pacific Northwest exploring the tidepools, beaches, and forests of Puget Sound. At college in eastern Washington, she studied geology and biology and got the chance to study the Greater Yellowstone Ecosystem through field courses in the summers. Lena spent time educating students on tall ships sailing in the Salish Sea, South Pacific, and Caribbean where she developed her love for teaching in an outdoor setting. Her need for a “land job” brought Lena to TSS as a Summer Instructor in 2019. She continues to bring curiosity and excitement for learning, as well as fun facts about the ocean, sailing, and rocks, into her program coordinator role. While mostly office-based these days, Lena finds moments to flex her teaching muscles through mentoring and training instructors, and teaching her favorite programs: Road Scholar courses and a local 2nd grade program. Outside of work Lena can be found making pizza with her sourdough starter, hiking, skiing, and enjoying the mountain lakes of the Tetons.

Julia Olson

Outdoor Learning Experiences Program Manager – Science, Research & Stewardship

Julia Olson

Outdoor Learning Experiences Program Manager – Science, Research & Stewardship

Julia joined Teton Science Schools as an AmeriCorps service member in Field Education in 2019 after graduating from Boston College. Julia fell in love with place-based education at TSS, and later worked as an Instructor in Field Education, before completing her M.S. in Hydrology at the University of New Hampshire. Through funding from UNH, NASA and the National Science Foundation, Julia conducted her master's research on changing winters in the Teton Range and their impact on ecohydrological systems, and enjoys sharing her findings with diverse audiences of all ages. Julia is passionate about environmental education and research, and believes time spent outside builds confidence, curiosity, and community. She is now a Program Coordinator at TSS focused on Curriculum and Instruction, and manages the Doug Walker Challenge Course. In her free time, she likes to soak up the sun both stationarily, with a book, and actively, on foot, canoe, or ski, and fuels all of these pursuits with homemade baked goods.

Morgan Olson

Outdoor Learning Experiences Program Administrator

Morgan Olson

Outdoor Learning Experiences Program Administrator

Morgan moved to Jackson in January 2022 to serve as the Program Administrator for Field Education with Teton Science Schools. Her passion for the outdoors stems from a middle school trip to the Big Island of Hawai'i where she witnessed the amazing power of volcanoes. She later returned to the Big Island for college to earn a Bachelor's degree in Geology. Prior to Covid, she worked as a naturalist and administrator at Glen Helen Outdoor Education Center in Yellow Springs, Ohio, where she fell in love with taking students into the outdoors and teaching them about the natural world. In her free time, Morgan enjoys skiing, crafting, photography, and gardening.

Hanna Holcomb

Outdoor Learning Experiences Program Manager – Youth Programs & Jackson Campus

Hanna Holcomb

Outdoor Learning Experiences Program Manager – Youth Programs & Jackson Campus

Hanna grew up in Eastern Connecticut and has been living in the Greater Yellowstone Ecosystem since 2019. In college, she studied biology and English, which sparked an interest in making science fun and accessible for all learners.  She has worked as a naturalist educator for Grand Targhee Resort and Yellowstone National Park and served as a remote AmeriCorps member with Teton Science Schools in 2020. She joined TSS's Field Instructor team in January 2023 before moving into her role as a Program Coordinator. She loves connecting students with the region’s rich ecosystem and history through hands-on lessons and is excited to bring her passion for learning to this role. In her spare time, Hanna enjoys skiing, running, and knitting sweaters.

Madison Smith

Events and Meetings Coordinator

Madison Smith

Events and Meetings Coordinator

Hailing from the sunshine state, Madison moved out west after graduating from the University of South Florida to Yosemite National Park. She fell in love with the Sierra Nevada mountains and ended up staying for nearly a decade working for Yosemite Conservancy and the National Park Service. The desire to explore a new mountain range landed her at Teton Science Schools as the Events & Meetings Coordinator. In her new landscape, Madison can be found trail running or swimming in alpine lakes.

Taylor Branson

Outdoor Learning Experiences Program Coordinator

Taylor Branson

Outdoor Learning Experiences Program Coordinator

Tayler (she/her) grew up exploring Colorado’s diverse ecosystems. She earned a B.A. in Environmental Studies with a minor in Geography from the University of Colorado Boulder, and an M.A. in Science Education from the University of Northern Colorado, where her action research examined how student-made videos as a form of authentic assessment can empower learners. Tayler is a Certified Master Environmental Educator through CAEE and has experience leading inclusive, inquiry-based, and interpretive programs for K–12 students and adults, as well as mentoring fellow educators to strengthen teaching and program quality. Tayler has spent the last 4.5 years at Walking Mountains in Avon, CO, serving as a Naturalist and Educator. Tayler is excited to join TSS to continue her work in place-based education while centering JEDI principles, interpretation, and meaningful connections to place. In her free time, she enjoys being a nature nerd, exploring the outdoors on foot and by board, attending live music shows, and engaging in creative projects.

Eric Gerson

Outdoor Learning Experiences Program Coordinator

Eric Gerson

Outdoor Learning Experiences Program Coordinator

Eric earned his degree in Social Studies Education from Miami University, where he trained as a middle and high school educator. After discovering backpacking, he realized that time outside was central to both his happiness and his teaching. He moved West and has since worked outdoors in a range of roles, including environmental education, park service, and ski instruction, across Utah, California, Washington, and now the Tetons. His favorite naturalist passions to teach about include mushrooms, birds, and trees.

Eric chose to join Teton Science Schools because he believes experiential, place-based education is one of the most powerful ways to help students understand themselves and the world they inhabit. In his free time, he enjoys hiking, skiing, cooking for friends, and picking on his banjo.

Outdoor Learning Experiences Instructors

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Ian Aper

Lead Instructor

Ian Aper

Lead Instructor

Ian hails from Utah, where his love of the outdoors was born on ski slopes, in slot canyons, and while exploring the forests and deserts in between. Upon graduating from Utah State University with a degree in Biology, he served as a Peace Corps volunteer in environmental conservation in rural Panama. There, he discovered his passion for environmental education, leading him to work as a Field Science Instructor with Wasatch Mountain Institute, and later as a High School Biology Teacher. Through working as a Field Educator with TSS, he hopes to encourage students to develop a sense of wonder and connection to place, inspiring curiosity, unity, and wellbeing. In his free time, he enjoys skiing, hiking, camping, climbing, reading, growing his own food, and learning new things. 

Greta Bonomo

Lead Instructor

Greta Bonomo

Lead Instructor

Greta graduated from Sewanee: The University of the South in 2024, where she majored in Environmental Arts and Humanities and Mathematics. During Greta’s time at Sewanee, she developed her outdoor and environmental leadership skills as a trip leader in her university's outing program. She was also the director of a sustainable living and learning environment, led the university’s 3-day PRE-Orientation camping trip, and spent a semester in Kenya studying wildlife conservation and policy. Greta’s passion for learning about the environment through a variety of lenses is what led her to work at TSS. In Greta’s free time, you will probably find her biking, skiing, or trail running.

Naomi Gregory-Orchard

Lead Instructor

Naomi Gregory-Orchard

Lead Instructor

Naomi grew up in the Sonoran Desert. Her love for natural sciences and outdoor exploration started among saguaros and red rock canyons and has brought her to the alpine forests and glacial valleys of Jackson Hole. Naomi’s youth was shaped by place-based education as she handled snakes at her local museum, planned wetland restoration projects, and attended a residential environmental school in Wisconsin. Naomi loves to travel and has lived, worked, and studied in New Zealand, Serbia, Bosnia, and Nepal. As she completed her bachelor’s degree in management and restoration of aquatic ecosystems at Utah State University, Naomi spent her summers as a whitewater river guide on the Colorado, Green, and Snake Rivers. Naomi has a passion for geology, hydrology, conservation, and fostering a connection to the natural world. In her free time, Naomi enjoys rafting, skiing, a good book, and exploring the outdoors. As a Field Education Instructor at TSS, Naomi is excited to share her passion for our beautiful world and the joy of learning with others. 

Liz LaScala

AmeriCorps Mentor, Lead Instructor

Liz LaScala

AmeriCorps Mentor, Lead Instructor

Liz joined the TSS team in January of 2023 as a Field Instructor. She grew up in Illinois climbing trees, exploring creeks, and building fairy houses out of sticks. She soon realized at a young age that she wanted to spend as much time outside as possible. Later in life, Liz attended Central Michigan University and earned a Bachelor’s degree in Conservation Biology with a minor in Outdoor Education. Since then she has worked a mix of seasonal jobs in invasive species management and outdoor education. Liz believes that true joy comes from hands-on experiences in the outdoors and is excited to continue to provide opportunities for this through TSS. Liz is always ready to go on any outdoor adventure! She especially loves rock climbing, backpacking, and jumping into natural bodies of water. When not outside, you might find her making spotify playlists or reading next to a youtube 24-hour loop fireplace video.

Sophie Lisle

Lead Instructor

Sophie Lisle

Lead Instructor

Sophie grew up in Massachusetts and graduated from Bowdoin College with a degree in biology. She taught marine biology on an island off the coast of Maine, researched microplastics in oceanic species, and spent several years guiding backpacking and horse-packing trips through Wyoming’s Absaroka Mountains. Sophie joined TSS in 2023 and is committed to empowering students to become thoughtful stewards of their surroundings. She loves sharing this special part of the world with them. In her free time, Sophie enjoys trail running, skiing, climbing mountains, baking cookies, and basking in the sun.

Sydney Vander Waerdt

Lead Instructor

Sydney Vander Waerdt

Lead Instructor

Sydney Vander Waerdt is a Lead Field Instructor at Teton Science School who is a passionate explorer, naturalist and educator. She grew up in Colorado's Front Range, where she developed a deep connection with the mountainous ecosystems that shapes her worldview. Sydney earned her BA in Cultural Anthropology and Environmental Sustainability from Colorado State University, where she developed a strong foundation in understanding both human and environmental systems that sparked her curiosity about melding our modern culture with ecology for a better world. During Sydney’s free time she enjoys "rollicing"—a blend of running and frolicing through the wilds, always on the lookout for beaver activity and other fascinating wildlife signs. She is captivated by exploring ecosystems, noticing the intricacies of the natural world that often go unnoticed. She also loves to read, craft, participate in various outdoor activities and watch youtube videos about said natural world.

Kyle Bouchet

Instructor

Kyle Bouchet

Instructor

Straight out of the Bay Area in California, Kyle earned his degree in Physics from the University of California, Berkeley, and quickly moved to Wyoming in search of something different from his past life. There, he fell in love with the mountains and all the wonders the Tetons have to offer, while forming meaningful relationships with the townspeople of Jackson (grocery shopping often takes hours because he always runs into someone he knows and sparks up a conversation). Kyle discovered Teton Science School in the summer of 2024 and started as a program assistant at the National Historic Landmark Murie Ranch in Moose, where he shares the Muries’ legacy of wilderness conservation, inspiring people to take action to protect their local wilderness areas. Kyle finds joy in anything and everything and will gladly listen to you talk about your love for anything, from quantum mechanics to how much you enjoy mowing your lawn on a Saturday morning.

Greta Cahill

Instructor

Greta Cahill

Instructor

Greta grew up in Durango, Colorado, and graduated from Colorado College with a degree in environmental science and education. She also received her Master Certification from the Colorado Alliance for Environmental Education. Greta worked for Teaching and Research in Environmental Education as the science/community fellow, helping Colorado College undergraduate students learn how to teach and become strong environmental educators. She has just completed her education internship at the Teton Raptor Center and is excited to work in the field with Teton Science School. Greta is excited to be a field instructor because she is passionate about inspiring and encouraging students to be curious about the world around them! In her free time, Greta loves being by the river, reading a good book, and enjoying life in the Tetons. 

Acadia Haas

Instructor

Acadia Haas

Instructor

Acadia grew up in the Colorado Front Range, where she fell in love with exploring the mountains and rivers, looking for critters, and building forts before moving to Bellingham, WA, and earning her degree in Environmental Studies and Economics from Western Washington University. In alignment with her passions for outdoor exploration and environmental education, she has worked on whale-watching boats in the Salish Sea, held various positions at ski resorts, and volunteered on agricultural projects in New Zealand. She spent the past year facilitating place-based environmental learning in the North Cascades, getting to share her passion for science education. Acadia is excited to continue learning and empowering the next generation of environmental stewards at TSS. In her free time, she can be found mountain biking, skiing, backpacking, and hiking, all in search of beautiful places to knit. 

Hannah Heiss

Instructor

Hannah Heiss

Instructor

Hannah grew up in Minnesota and graduated from Drake University with degrees in Environmental Sustainability and Resilience and International Relations. Combining her love for travel and the environment, Hannah studied abroad in Kenya, Austria, and Indonesia. She has also worked seasonally in both environmental education and natural resource management in Minnesota, Wisconsin, and Washington. She is passionate about making the outdoors accessible, safe, and welcoming for all students and is excited to explore alongside them. In their free time, Hannah enjoys crafting, baking, and hiking!

Evan Koerschner

Instructor

Evan Koerschner

Instructor

Evan developed a love and care for the outdoors early on while exploring the lakes, rivers, forest, and sand dunes throughout Michigan’s upper and lower peninsulas. Channeling this enthusiasm, he earned a BS in Environmental Studies and spent his summer breaks working at a local canoe livery. Since then, Evan has helped to restore local wetlands as an ecological technician, taught at a Michigan nature center and children’s museum, and implemented environmental science programs as an educator on the Olympic Peninsula in Washington. Before coming to TSS in 2026, he completed a term with the Washington Conservation Corps building and maintaining trails in Olympic National Park. Evan found his way to this new role through his love for the natural world and facilitating positive outdoor experiences for youth and is looking forward to growing as an educator with TSS. Outside of work, Evan enjoys trail running, backpacking, reading with tea nearby, discovering new music, and jumping into the nearest body of water.

Lily Johns

Instructor

Lily Johns

Instructor

Lily grew up in Pennsylvania and graduated from Ohio University with a degree in Biology and certificates in Environmental Science & Sustainability. She's had a love for Jackson and TSS for many years —first as a student, then as an AmeriCorps member, and now as a Field Instructor! Lily has always been passionate about the natural world, but her love for the outdoors blossomed during her college years; through recreation, study abroad, cool classes, and travel, she developed new skills and hobbies that she will take with her forever. Lily's had her fair share of experience in teaching —particularly in marine science (her favorite subject!) —but outside of school and work, she enjoys running, basketball, crafting, cooking, and taking pictures. Most of all, though, Lily loves people —she thrives on getting to know others and is excited to help students learn, try new things, and grow as people and scientists at TSS!

Trey Johnson

Instructor

Trey Johnson

Instructor

Trey graduated from the University of Massachusetts Amherst, where he studied Political Science with a concentration in Environmental Studies. After many years of working with kids and leading trips outdoors, he has developed a deep interest in outdoor access and environmental education. His strong belief in the power of connectedness to nature motivates him to bring his best for his students. Most recently, he spent the fall season at the McDowell Environmental Center in Nauvoo, Alabama, and is very excited to come back to TSS as an instructor! In his free time, you can find him running, reading, writing poetry, or biking. 

Avila Kahm

Instructor

Avila Kahm

Instructor

Avila is a Field Educator with Teton Science Schools who grew up in Salt Lake City and recently graduated from the University of Utah with degrees in Economics and International Studies. She first joined TSS as a Summer Education Fellow and later returned for a Fall AmeriCorps term, where she discovered her love for place-based education and the power of helping students build confidence outdoors. Avila is passionate about making science feel accessible and fun for all learners, connecting students to their natural environment in meaningful ways, and encouraging curiosity, care, and a strong sense of environmental stewardship in every group she leads. A lifelong outdoor enthusiast, Avila finds so much joy in sharing her love for the natural world with her students. In her free time, you can find Avila practicing yoga, skiing, running, hiking, crafting, camping, or exploring a new country!

Everett Najarian

Instructor

Everett Najarian

Instructor

Everett grew up in Southeastern Michigan, where countless hours exploring the wetlands, parks, and lakes around him sparked a lifelong love for the outdoors. This passion led Everett to get involved with organizations empowering young people to connect with nature and tackle challenges impacting people, other animals, and the environment. In 2022, Everett graduated with a degree in Environmental Studies and Sustainability from Michigan State University. Since then, he has shared his enthusiasm for the natural world as an educator at a nature center and children’s museum, inspiring students to discover the wonder of nature around them. Now, as a Field Education Instructor at TSS, Everett is excited to continue helping young people create meaningful connections with the natural world, cultivating the next generation of environmental stewards. When not teaching, Everett loves drawing and lino block printing, hiking, camping, and backpacking!

Russell Parker

Instructor

Russell Parker

Instructor

Russell has a Business Marketing degree from the University of Wyoming. While attending school, he participated in a study abroad program in conservation and sustainability in northern Patagonia, Chile, worked in marketing at TK Industries Inc and at the Snowy Range Ski Resort. Russell chose to become an AmeriCorps member and then an instructor at TSS to deepen his connection and knowledge with the outdoors and the community. He has interests in photography, climbing, snowboarding, hiking, and camping, and in his free time, you can find him in the mountains and capturing moments with his camera.