Wildlife Expeditions

Journey to the Wild

Biologists & 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.petrick@tetonscience.org                       

    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.

  • Patrick Leary

    Director of Wildlife Expeditions
    B.A. Anthropology/Archaeology, Willamette University, Oregon
    patrick.leary@tetonscience.org

    Patrick joined Teton Science Schools in 2013. Prior to arriving at TSS, Patrick worked as an environmental education instructor and as an assistant director for the outdoor education program at YMCA Camp Colman in Washington. He has also worked as a coordinator for a teen volunteer program in Missoula, Montana, as a seasonal employee of the United States Forest Service and as a backpacking guide in Guatemala. During his time as a member of the TSS community, Patrick has served as an AmeriCorps intern with the Field Education department, as a field instructor and faculty member and as a biologist with Wildlife Expeditions.

  • Chrissy Wolf

    Administrative Assistant
    B.S. Recreation Management and Policy, Program Administration
    B.S. EcoGastronomy

    chrissy.wolf@wildlifeexpeditions.org

    Chrissy joined the Teton Science Schools team in 2014, after moving from rural New Hampshire. She has worked for the organization in many capacities, as a field education AmeriCorps member, as a program assistant for day camp, and as the summer program director at Teton Valley Community School. She is thrilled to now be a part of the Wildlife Expeditions team. In her free time, she enjoys mountain biking, telemark skiing, cooking, gardening and music.

  • Kevin Taylor

    Wildlife Expeditions Lead Guide and Faculty
    M.S. Botany, University of Wyoming
    B.S. Biology, Bradley University, Illinois

    Kevin has a Bachelor of Science degree and a Master of Science degree in Botany. His biological research experience includes being involved with several wildlife research projects as well as mapping distribution of rare plant species and the effects of global warming on mountain plants. He believes that it is critical to include modern humans when discussing natural history and ecology and he studies and teaches ethnobotany and ethnozoology. Kevin brings to Wildlife Expeditions experience in plant taxonomy, natural history knowledge due to spending a lot of time in the woods, and a teaching background educating all ages of the wonders and value of conservation of the natural world.

  • Paul Brown

    Wildlife Expeditions Lead Guide and Faculty
    B.A., Environmental Studies, Ramapo College, New Jersey
     

    After graduating from Ramapo College, Paul worked for the U.S. Forest Service and New Jersey Audubon. He relocated to Jackson Hole in the spring of 2001 and has led a variety of environmental education programs, primarily guiding in the Greater Yellowstone Geo-ecosystem for Wildlife Expeditions. He has worked on several research projects in the area, including studying the wolf population of Yellowstone National Park with the Yellowstone Wolf Project. He has also guided polar bear expeditions in Churchill, Manitoba.

  • Dylan Klinesteker

    Lead Snowcoach Guide and Faculty
    B.A. Environmental Education: Interpretation and Outdoor Education, Western Washington University

    Dylan has spent most of his professional life working and living in some of the most beautiful and inspiring places in America. He has had the opportunity to educate visitors in Death Valley National Park, Redwood National and State Parks, North Cascades National Park, and now finds himself in Grand Teton and Yellowstone National Parks. In his free time, Dylan likes to ride one of his many bikes, keep his '88 Westfalia running, and take pictures of this beautiful world.

  • Sarah Ernst

    Lead Guide
    B.A., Philosophy, Mount Holyoke College, Massachusetts

    Sarah grew up fascinated by nature in the not-so-wild lands of a NYC suburb in Connecticut. After earning a Bachelor of Arts degree, she transitioned to leading nature programs and running a nature center in the beautiful Lowcountry of South Carolina. She was lured to Wyoming by a life-long love of it's mountains and plains. She is known for her broad knowledge base of the Greater Yellowstone Ecosystem and geeky enthusiasm for all wildlife, large and small.


  • Jean Lawrence

    Associate Guide
    M.S., Zoology and Physiology, University of Wyoming
    B.A., Chemistry, Gonzaga University


    Jean has a passion for conservation biology and has worked for the National Park Service and U.S. Forest Service as a naturalist and field biologist. Her work has focused on threatened and endangered species, including the California condor, Southwestern willow flycatcher, Mexican spotted owl, and Colorado River cutthroat trout.  She participates in Audubon and Hawk Watch International counts.  She enjoys skiing and hot springs.

  • Alice Stears

    Associate Guide
    B.A., Biology, Williams College

    Growing up in the mountains of north-central Wyoming, Alice discovered a passion for the natural world and all its inhabitants at an early age. In school, she developed an interest in plant ecology, and worked on research projects studying old-growth forest succession, plant-pollinator interactions, and the effect of climate change on arctic-alpine plant species. Prior to joining Wildlife Expeditions, Alice was a teacher naturalist for Montana Audubon. In her free time, she enjoys making things by hand, eating good food, and having fun outdoors.

  • Stacie Bellairs

    Guide
    Bachelor of Arts in Biology, minors in Chemistry & Psychology, Whitman College


    Stacie grew up exploring and paddling the many lakes of Minnesota, where she learned to love the outdoors and all of the wild things that inhabited it. Her love of science and the natural environment led her to study biology and chemistry at Whitman College in eastern Washington. Since then, Stacie has worked with Teton Science Schools as an AmeriCorps field instructor, learning more and more about the Greater Yellowstone Ecosystem everyday. In her free time, Stacie loves to draw, cook, take long hikes in the Tetons and read in her hammock.

  • Bobby DeMarinis
    Associate Guide
    B.A. Environmental Studies, Binghamton University, Binghamton, NY

    Bobby is a New York native with a passion for ecology, natural history, and learning in, and from, the natural world. He developed his deep-rooted love of environmental education while teaching in the deciduous forests of the Northeast and in the chaparral of Southern California. He has always been drawn to the Rocky Mountains, and has most recently worked as a Naturalist Guide at the Aspen Center for Environmental Studies in Colorado. When not gallivanting outdoors, you can find Bobby on road trips, skiing, playing music, or storytelling around a campfire.

  • Kate Jensen
    Guide
    B.S. Environmental Studies, University of Utah

    Kate spent several years guiding rivers in Utah and Alaska and also worked for the Forest Service doing field research. Katie is raising three daughters and taking them into the wild places of of the GYE, Utah and other beautiful places around the world. Kate grew up spending summers in Teton Valley, Idaho, and has always had a love for and curiosity of the area. Kate enjoys spending time with her family and any activity that gets her outside and into places that are beautiful and wild, making art, cooking and reading. 

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