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.

  • Fan Hughes

    Office Administrator
    B.A. Mass Media Arts and Communication, University of Georgia
    fan.hughes@wildlifeexpeditions.org

    Fan grew up entranced by wild spaces at an early age, encouraged to pursue adventures by her father, an avid camper and fisherman. Graduating from the University of Georgia with a Journalism degree in Mass Media and a minor in New Media Arts, Fan quickly realized she could leverage her digital skills within the outdoor industry. Before joining the Wildlife Expeditions team, She worked as the Western Regional Director for Wilderness Adventures, planning, managing, and marketing summer programs for teens in the Pacific Northwest, Alaska, and Hawaii. When Fan isn't immersed in the digital world, she enjoys waking up in the backcountry, cooking, and playing with any and all dogs.

  • Kevin Taylor

    Wildlife Expeditions Lead 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 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 Biologist
    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.

  • Mitch Sawicki

    Guide

    B.S. of Natural Resources from University of Missouri-Columbia

    Mitch has spent the last 13 years in environmental education and interpretation across the country. Much of his last eight years has been spent working as a National Park Ranger at Mount Hood National Forest, Jewel Cave National Monument, and Grand Canyon National Park. He spent five years with Canyon Field Schools of Grand Canyon National Park, as a both a general interpreter, but also guiding youth into the wilderness of the canyon on extended 6-14 day trips. He's an avid backpacker and hiker who spends most of his off time wandering around wild places.

  • Sarah Ernst

    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

    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.

  • Austen Anderson

    Guide
    M.S., Biomedical Sciences, University of Northern Colorado
    B.A., Literature and Biology, Samford, University, Alabama


    Austen has taught in a variety of capacities over the last several years. While he enjoyed his most recent position at the University of Northern Colorado, he saw the need to inspire students outside of, and beyond, the lecture hall. Getting to teach outside for Teton Science Schools in Nature's amphitheater is a dream come true! He is a lifelong lover of learning and enjoys being outside with his dog, fishing, and cooking.

  • Jeff Mulligan

    Guide
    B.S. Wildlife Conservation, University of Massachusetts

    Jeff has worked at Teton Science Schools as an Americorps intern and later as an instructor in the field education department. Prior to arriving at TSS, he served as an intern with the Department of Energy and worked for the Massachusetts Department of Conservation and Recreation. Jeff has also worked for the National Park Service and currently spends summers as a backcountry ranger in Grand Teton National Park. In his free time he enjoys skiing, hiking, and fly fishing in the Jackson area.

  • Alice Stears

    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.

     

  • Chelse Grohman

    Guide
    B.S., Wildlife and Fisheries Management, Lake Superior State University

    Chelse Grohman worked for five years with a toxicology research team studying the effects of various chemicals on the environment. Song birds are her specialty but she has gained a vast amount of knowledge about the Greater Yellowstone Ecosystem in the four years she has lived in Jackson Hole. In her spare time she loves to explore the valley through skiing, open water swimming, and mountaineering.

  • Bobby DeMarinis

    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.

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