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.

  • Melinda Galleher

    Lead Field Education Faculty
    B.S. Biology, Ecological Emphasis, The University of Findlay
    Graduate Program of Teton Science Schools

    Melinda also known as Minnie developed a love of teaching environmental education in residential education organizations in Minnesota and Indiana before coming to Teton Science Schools' Graduate Program. Since finishing the graduate program she has worked in a variety of capacities for Teton Science Schools. Minnie enjoys traveling, hiking and spending time with friends and family.

  •   Emily Stirr

      Lead Field Education Faculty
      M.S., Natural Science, Environment & Natural Resources minor, University of Wyoming
      Graduate Program of Teton Science Schools
      B.S., Biology, University of Puget Sound


    Emily is enthusiastic about adventuring outside and investigating the natural world with students of all ages.  Emily's wide range of teaching experience includes student teaching high school biology and chemistry at the Journeys School of Teton Science Schools, instructing a life science seminar at the University of Wyoming, and leading extended wilderness trips with NOLS.  However, Emily is most at home exploring biology and life sciences in the Jackson Hole valley.  Her favorite outdoor activities include trail running, skiing, and paddling canoes long distances.

  • Colby Mitchell

    Lead Field Education Faculty
    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


    Colby found inquisitiveness and a love for the natural world in the tide pools and salt marshes near his childhood home in Southern New England.  After completing his undergraduate study of Biology in Vermont, Colby moved to the Midwest where he discovered a passion and career in teaching at Shedd Aquarium while coordinating onsite, community-based, and field-based programming for teens.  This experience was recently complimented with graduate study and a professional residency at the North Cascades Institute of Washington.  During this time, Colby focused on learning theory and created tools that support the reflection and development of Environmental Educators.  Any hesitation to leave the verdant woods of Western Washington is quieted by the allure a new place to discover.  

  •   Katie Hoskinson

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

    Katie grew up in the foothills of the Adirondack Mountains in upstate New York. Prior to Teton Science Schools, she has explored her love of the natural world through studying modern reef environments in the Bahamas, to North Dakota investigating 500-million-year-old rocks, and paddling the whitewater of Northern Quebec. During her time at Teton Science Schools, Katie has served as an AmeriCorps volunteer, Field Education Instructor, and Lead Instructor. Katie is excited for her new role as AmeriCorps Hub Site Coordinator working with community partners and AmeriCorps members to build capacity for science literacy in the valley. Katie enjoys hiking, skiing, paddling and exploring the Tetons with her dog Tupper.

  • Tanya Anderson

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

    Tanya has been working in the field of environmental and experiential education since 1996. In that time she has taught natural history in a variety of environments, guided backpacking, canoeing, skiing, and biking trips, sailed around the world twice, studied sea turtles in the Galapagos Islands, led study abroad programs in Latin American and Asia, and coordinated a graduate residency program in environmental education at the North Cascades Institute. Most recently, she directed a local nonprofit and taught at Central Wyoming College. Tanya enjoys reading, skiing, practicing Japanese, and checking out scat and tracks while cross country skiing and trail running.

  • 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 developed a curiosity for the natural world and for sharing it with others at an early age among the mountains and rivers of Northern California. She followed her love for the environment through many western states as a trail crew member, field biologist, farmer and farmer's market coordinator, before completing her M.Ed. in Environmental Education and Nonprofit Administration. For several years she worked as a Program Coordinator and Naturalist 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 her garden, and exploring wild places with a notebook and pen in hand. 

  • Kate Bodey

    Field Education Faculty
    M.S. Natural Science Education/Environment and Natural Resources, University of Wyoming
    Graduate Program of Teton Science Schools
    B.S. Biology, The Evergreen State College

    As a passionate educator, scientist, naturalist and leader, providing opportunities for all students and teachers to advance their scientific and ecological literacy, civic engagement, leadership and educator skills, is Kate’s lifelong pursuit. An alumna of the TSS Graduate Program, Kate’s professional teaching background extends to both classroom and outdoor field settings, and includes students from first grade to university level graduates. Kate Master’s research at the University of Wyoming continues to drive her interest in increasing diversity and cultural competency within Residential Environmental Education organizations. In her free time, Kate enjoys connecting to and exploring nature through a variety of lenses including hiking, backpacking, swimming, cross-country skiing and wildcrafting.

  • Naomi Heindel

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

    Naomi joined the Teton Science Schools' Field Education team in the spring of 2015. Previously, she worked as a field educator for NatureBridge Yosemite, as an assistant camp director for the Chewonki Foundation, and as a researcher for a consulting environmental history firm. She has led wilderness trips and environmental education experiences in the Green Mountains of Vermont, on the rivers of northern Canada, and on the lakes of Maine, among other places, and is excited to explore the Tetons and the Greater Yellowstone Ecosystem.                 

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