Field Education

Out in Nature, into Science

Faculty & Staff

  • Joe Petrick

    Vice President of Field Education
    M.Ed., University of Washington
    Certificate in Education, Environment and Community, Islandwood Graduate Program
    B.A., History and a Virginia Professional Teaching Certificate, 
    University of Mary Washington

    Joe leads a team of passionate educators who customize field science adventures for groups of all ages. He joined the Teton Science Schools family in the spring of 2007. Prior to Teton Science Schools, Joe worked as an administrator, classroom teacher and outdoor educator in Washington, California, Virginia, Maryland and South Africa. Joe spends his free time exploring the Greater Yellowstone Ecosystem and traveling to other inspiring locations with his wife and two girls.

  • Naomi Heindel

    Director of Field Education - Operations
    MESc, Yale School of Forestry and Environmental Studies
    BA, Environmental Earth Science, Dartmouth College

    Naomi Heindel has worked as an environmental educator for over a decade. Before coming to Teton Science Schools, she worked at organizations including NatureBridge Yosemite and Chewonki, guided wilderness expeditions on the rivers of northern Canada, the high country of the Sierra Nevada, and the lakes of Maine, and broadened her geology undergraduate experience with a Masters of Environmental Science at the Yale School of Forestry. Naomi now manages adult and family programs, backcountry camping and the Teton Science Schools blog.

  •   Emily Hager

      Director of Field Education - Staff
      M.S., Natural Science, Environment & Natural Resources, University of Wyoming
      Graduate Program of Teton Science Schools
      B.S., Biology, University of Puget Sound


    Inspired to connect powerful outdoor experiences with placed-based science teaching and learning, Emily Hager found her way to Teton Science Schools first as a graduate student in 2006, and later as a faculty member in 2011. Prior to joining the faculty team at TSS, Emily pursued personal canoeing expeditions in Northern Canada, and taught in field settings with both TSS and the National Outdoor Leadership School. Emily manages staffing and scheduling within Field Education, and co-coordinates the TSS AmeriCorps Program with Katie Hoskinson.

  • Colby Mitchell

    Director of Field Education - Curriculum, Instruction and Research
    M.Ed. Environmental Education, Western Washington University
    Certificate in Leadership and Non-Profit Administration, North Cascades Institute
    B.S. in Biology with an Environmental Concentration, St. Michael’s College


    Since leaving New England in 2005, Colby's career has focused on the craft of teaching science outside, working with communnities to support youth development, and facilitating organizational learning in non-profits. For six years, Colby worked for Shedd Aquarium in Chicago in a variety of capacities, among them the coordination of community-based science education and mentorship programs for teens. Following a growing interest in non-profit leadership, Colby persued graduate studies in western Washington, a path that would ultimately lead him to a new home in the mountains of western Wyoming.     

  • Tanya Anderson

    Field Education Faculty
    M.S. Environmental Science, University of Massachusetts, Boston
    B.A. History, University of Rochester

    For more than twenty years, Tanya has worked in the fields of experiential and environmental education. She has taught natural history in a variety of environments, guided backpacking, canoeing, skiing, and bicycling trips, taught global education aboard a boat that sailed around the world, studied sea turtles in the Galapagos Islands, led study abroad programs in Latin American and Asia, coordinated a graduate residency program in environmental education at the North Cascades Institute, directed a local nonprofit, and taught at Central Wyoming College. Tanya coordinates Road Scholar programs at Teton Science Schools. 

  • Andres Esparza
    Field Education Faculty
    MEM Integrative Land Management, Western State Colorado University
    BA, Sociology, University of Texas at El Paso

    Andres Esparza has worked in the field of environmental education for the better part of a decade on public lands ranging from the desert Southwest to the High Sierra of California to his current position at Teton Science Schools in the Greater Yellowstone Ecosystem. Through his time in a variety of roles, Andres has always strived for utilizing the field of environmental education as a tool for engaging diverse and often underprepresented population with their public lands. He currently manages Summer Day Programming at TSS. 

  • Christen Girard

    Field Education Faculty
    M.Ed. Environmental Education, Western Washington University
    Certificate in Leadership and Non-Profit Administration, North Cascades Institute
    B.A. Environmental Studies, Natural History Concentration, Lewis and Clark College


    Christen has followed her love for the environment through many western states as a naturalist, trail crew member, field biologist, farmer and teacher, working with people from a multitude of backgrounds and ages along the way. After completing a Masters in Environmental Education, she worked several years as the Program Coordinator for a conservation organization in the North Cascades, leading a wide variety of field-based/residential programs and supporting educator development. Outside of teaching, Christen enjoys writing, trail running, working in the dirt, and exploring wild places with a notebook and pen in hand. Christen manages Murie Ranch Programming at TSS and loves sharing her curiosity for the natural world with others. 

  • Megan Hollenbeck

    Field Education Faculty
    B.S. Natural Sciences with a Concentration in Biology Education, Colorado State University

    Megan grew up in the mountains of Colorado, where she developed a love for the outdoors and explored nature at a young age. In her free time she skis, hikes and mountain bikes. After studying to be a science teacher, she taught for several years in a middle school. Part of her responsibilities included planning a trip for her students to an outdoor science school in the mountains. This experience helped to mold her passion of getting kids into the outdoors to learn science and explore the natural world around them. She transitioned to instructing and eventually managing at an outdoor science school in Colorado as well as directing programs at an outdoor school in the Northern Sierras. Megan is excited to be a part of the Adult and Family Programs and summer programming at Teton Science Schools.

  •   Katie Hoskinson

      Field Education Faculty
      B.S. Geology and Government, St. Lawrence University

    Katie grew up in the foothills of the Adirondack Mountains in upstate New York and developed a lifelong passion for engaging others in exploration of the natural world and their communities. Katie is an alumni of the TSS AmeriCorps program and is passionate about service as a tool to connect people with place. Katie manages military family programming and co-coordinates the TSS AmeriCorps Program with Emily Hager, working closely with community partners to expand STEM literacy in the Jackson community. 

  • Dylan Klinesteker
    Snowcoach Lead Guide and Field Education Faculty
    B.A. Environment Education:Outdoor Education and Interpretation, Western Washington University

    Dylan first heard about Teton Science Schools sitting on the side of a trail on a backpacking trip in Grand Teton National Park. Since that day Dylan got a degree in Environmental Education, worked at Mt. St. Helens, Death Valley, Redwoods, and North Cascades National Park, educating visitors and students about the natural world. Happy to be back, Dylan now splits his time working with the Field Education team and the Wildlife Expeditions team driving a Mercedes Sprinter with Mattracks through the Winter wilds of Yellowstone.

  • Lucille Rice
    Field Education Faculty
    B.A. International Relations and Spanish, Eckerd College   

    Lucille grew up hiking and backpacking between the Blue Ridge mountains of North Carolina and the Touques river basin in northwestern France, gaining a strong appreciation for the value of connecting people to place. This experience led her to work with an international organization developing professional exchange programs to engage scientists from across the globe in project collaboration, experience she applies to shaping field education programs at Teton Science Schools. A passion for connecting people to the natural world brought her to work as a guide leading hiking and cycling adventures in Europe, Central America and South America before landing at TSS. Lucille manages events and meetings at the Jackson Campus of Teton Science Schools.


  • Greg Ley
    Field Education Faculty
    M.S. Natural Science Education & Environment and Natural Resources, University of Wyoming; B.A. Adventure Education, Fort Lewis College

    Greg spent his early life in the foothills of the Rockies on the Front Range of Colorado, exploring, getting messy, and developing a relationship with the outdoors on many levels. He has since worked as an educator, guide, facilitator, and naturalist throughout the Rocky Mountain West. He considers himself a lifelong learner in his current position as Doug Walker Challenge Course Manager and coordinator of stewardship programs at TSS, and his favorite pasttime is wandering.

  • Laura Brown
    Lead Instructor/AmeriCorps Mentor Instructor
    B.F.A., Film and Television, NYU

    Laura hails from the oceans and redwoods of northern California. She received a B.F.A. in Film and Television from New York University in 2013, and has continued to apply her passions for humans and stories to the work she does in outdoor education. An interest in building community through place-based education led her to Teton Science Schools, where she’s spent the last couple years backpacking, canoeing, skiing and reflecting her way through the Greater Yellowstone Ecosystem with hundreds of beautiful students.


  • Tisa Djahangiri
    Lead Field Instructor
    B.S. Physical Geography, Texas State University - San Marcos

    During her time as an undergraduate, Tisa developed a passion for environmental education through the Outdoor Recreation Program. Tisa has worked to inspire and enthuse others about science and the natural world by guiding outdoor adventure trips in the Texas hill country, coordinating and teaching citizen science programs and increasing scientific literacy across the country. She served as an AmeriCorps intern with Teton Science Schools during the 2015 winter season and has been dedicated to place-based education ever since. 

  • Charlie Grant
    Lead Field Instructor
    B.A. Art and Visual Culture, Bates College

    Born in Portland, Oregon, Charlie grew up spending much of his time exploring and hiking in the Columbia River Gorge and climbing at Smith Rock. Before coming to TSS, Charlie spent time as a Teaching Assistant at the St. Paul's School in New Hampshire and continued his teaching career as a Program Assistant for Emory University's Tibetan Studies Program in Dharamsala, India. He is excited to be a member of a close-knit community in the Tetons.

  • Maddie Johnson
    Lead Field Instructor
    B.A. Environmental Policy and Human Development, Colby College

    Maddie came to TSS in the fall of 2015 to continue her passion for connecting people to the outdoors. She loves being able to motivate her students to engage in meaningful outdoor recreation through both leadership and scientific lenses. She has studied natural resource management in Zanzibar, Tanzania, worked with an urban beekeeping company in Boston, led backpacking and community service trips throughout Iceland and the US Virgin Islands, and is now excited to be regularly exploring the Tetons with students and adults from all over the country. 

  • Sam Neirman
    Lead Field Instructor
    Graduate Program of Teton Science Schools; B.S. Forestry, University of Vermont

    Prior to graduating from the Graduate Program at Teton Science Schools, Sam spent three years working as a naturalist and educator at the Vermont Institute of Natural Sciences (VINS), as well as a consulting forester at Full Circle Forestry. It was at VINS where Sam truly discovered his life calling: connecting students with their natural surroundings. He is excited and eager to build relationships and share his knowledge of the outdoors with the amazing students that come to TSS.

  • Kendall Peacock
    Lead Field Instructor
    Graduate Program of Teton Science Schools; B.A. Environment & Natural Resources and International Studies, University of Wyoming

    Kendall loves to share the outdoors with people and teach about the natural histroy of the GYE. Over the years she has instructed many conservation projects throughout the state of Wyoming while teaching leadership, camping, and wilderness management. She completed the graduate program at TSS planning curriculum and taking students into the field each season. Throughout her time in field education, Kendall has stayed dedicated to making learning fun and investing in students through place-based education.

  • Amelia Howe
    Field Program Administrator
    B.S. Human Dimensions of Natural Resources, Colorado State University

    After graduating from Colorado State University, Amelia made the move to Jackson to work as TSS's Field Program Administrator and put her combined passion for people and natural resources to work. She has always hoped to work to encourage and create strong bonds between people and place, and is able to do so through her behind the scenes work aiding in field program coordination and logistics. Amelia enjoys weekends spent climbing, camping, reading under the sun in a hammock, and snowboarding.

  • Jentry Campbell
    Road Scholar Program Assistant
    B.A. Environmental Studies, International Studies, Hollins University

    Born and raised in Wyoming, Jentry has always loved interacting with nature and observing the beauty that is without end. Fly fishing, mountain biking, horseback riding, cross country and down hill skiing, snowshoeing and hiking are just a few of the activities that pass the time in this breathtaking place. She attended Hollins University in Roanoke, VA where she studied International & Environmental Studies and French. She came to Teton Science Schools in 2016 as an AmeriCorps before moving on to a position as a field instructor. Now as the Road Scholar Program Assistant, she looks forward to welcoming every Road Scholar to Jackson and sharing the beauty of her home.

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