Teton Science Schools

Educating for a Vibrant World

Administrative Staff


  • Chris Agnew

    Executive Director
    B.A., Environmental Education, Western Washington University
    Ed.M., The Harvard Graduate School of Education

    With the great gift of growing up on an island in the Puget Sound, Chris experienced the benefits of classrooms beyond four walls and a chalkboard from an early age. Chris has a lifelong passion for rigorous place-based education. He brings experience teaching in the classroom in public schools, teaching in some of the most remote mountains of the world, and coaching and leading educators in the US, Canada, Scandinavia, and India. Chris believes great opportunity comes through bridging formal and informal education, bridging education and business, blending digital and in-person learning, and learning across cultures. Chris serves as the Executive Director of the Teton Science Schools inspiring curiosity, engagement, and leadership through transformative place-based education. We believe through embedding learning in our communities and ecosystems we increase learner engagement, improve learner outcomes, and create community impact.
  • Nate McClennen

    Vice President of Education and Innovation
    Overseeing Innovation and Teacher Learning Center
    M.S., Zoology and Physiology, University of Wyoming
    Graduate Program of Teton Science Schools
                      B.A., Biochemistry, Bowdoin College


    Nate was part of the founding faculty at Journeys School in 2001 and was appointed Head of Journeys School in 2006. In 2015, Nate became the Director of Education and Innovation to focus on how to scale the impact of Teton Science Schools through technology, innovation, design learning, and school networks. Nate has been part of the leadership team at Teton Science Schools since 2011. Since 1993, he has taught science and math at the secondary level and science at university level. Nate received a Klingenstein Heads Fellowship in 2009 with Teachers College at Columbia University and taught as a field instructor for the graduate program in independent school leadership at Columbia University. He has served on various accreditation teams as part of Northwest Association of Independent Schools. During his recent years at Journeys School, Nate has taught calculus, IB Mathematics, leadership, and robotics. He also served as Director of College Counseling from 2006-2009. Nate believes  that schools must connect students to communities in meaningful ways as a way to increase the capacity of the next generation. Outside of school he enjoys music, backpacking, biking, water sports, and soccer with his wife and two children.

  • 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.

  • Operations

    Jody Donovan

    Vice President of Operations
    M.S., Natural Science, Environment & Natural Resource minor, University of Wyoming
    Graduate Program of Teton Science Schools
    B.A., English, The Colorado College


    Jody  brings experience from urban and remote emergency response teams, adventure programs, and personal wilderness expeditions in Asia, New Zealand, and North America to a systems-based approach to managing risk. While living abroad in Hong Kong, she researched conservation education through her contributions to the strategic plan for the region's adoption of the Convention for Biological Diversity. From being one of the many in the avalanche of people during rush hour in Hong Kong's subway system to stumbling upon shepherds in seasonal yurt camps deep in the Himalaya of Ladakh, her passion for providing educational experiences that engage active citizenship has deepened from her experiences in Asia. Jody looks forward to helping scale Teton Science Schools' impact to increase access for a global community.



  • Nick Delmolino

    Senior Director of Marketing and Communications
    B.A., Sociology, Western New England University

    Nick has lived in Jackson since 2004. He has worked for Teton Science Schools in many capacities including Capital Campaign Assistant, Assistant to the Executive Director and Wildlife Expeditions Assistant. Nick serves on the board of directors for the Gombe School of Environment & Society - USA which provides support to a school that focuses on environmetal and social issues in Tanzania. He enjoys many outdoor pursuits in the Jackson Hole area including mountain biking and snowboarding.

  • Sarah Shea

    Marketing & Communications Specialist
    B.A., Public Relations, The University of Alabama 

    Sarah grew up in Alabama and spent summers in college in Wyoming. After graduating from The University of Alabama and working in public relations in Chicago and Nashville, Sarah found her way back west in 2013 to work full time for Teton Valley Ranch Camp. She is excited to be a part of Teton Science Schools and translate her experience from TVRC. In her free time, Sarah enjoys running, hiking, skiing, and spending time with her dog, Lou. 



  • Josh Kleyman

    Vice President of Advancement
    M.S., Natural Science, Environment and Natural Resources minor, University of Wyoming,
    Graduate Program of Teton Science Schools
    B.A., Environmental Geography with Geology focus, Colgate University

    Josh has been involved in place-based education since 2002 when he enrolled as a graduate student at Teton Science Schools (TSS). His graduate research at University of Wyoming explored the challenges and opportunities of community in fostering education. He applied these techniques and theories as Science Chair and Co-Director of the Sampson Environmental Center at the Darrow School in New Lebanon, NY, while also teaching 9th – 12th grade environmental science and integrated sustainability. Since returning to TSS in 2006, Josh has served as faculty in the TSS Graduate Program, TSS Teacher Learning Center adjunct faculty, Director of Field Education at the Kelly Campus of TSS, and as Director of Development.  He is the father of three curious and engaged Journeys School students.  Josh is humbled and honored to lead advancement efforts at TSS. In his free time, Josh enjoys volunteering for local non-profits, exploring open space in Teton County and baking bread.

  • John Morgan

    Director of Development for Journeys School
    MCM, S.I. Newhouse School of Public Communications, Syracuse University & DeGroote School of Business, McMaster University,
    B.A., Geography, Syracuse University


    John wishes he had the opportunity to grow up and go to school in Jackson Hole. Upon moving here full-time in 1998 to pursue a career in tourism sales & marketing, John immediately felt a great appreciation for the culture, ecology and sense of community with the Grand Teton/Yellowstone region. John has volunteered and served on the boards for various non-profit organizations throughout the valley, and in 2017 completed his master's degree in communications management. At Journeys School, John is delighted to help others to contribute to the dreams of our students!

  • Shaina Lemmon

    Development Administrator
    B.A. Communications & Psychology, University of Massachusetts Amherst

    Shaina grew up in central Massachusetts and attended the University of Massachusetts Amherst. After graduating with a degree in Communications & Psychology she began working for the March of Dimes, a national non-profit. Shaina had always wanted to travel west and got the opportunity to visit Jackson in June of 2016. After visiting she knew it was where she wanted to be and made the move the following winter after finding a development position at the Teton Science Schools in Jackson. She is excited to be a part of the team and is looking forward to learning as much as possible and growing as person. She enjoys hiking, snowboarding, running, biking and kayaking.

  • Jason Bruni
    Foundations and Alumni Relations Officer
    B.A. Marketing, Washington State University—Go Cougs!

    Jason grew up in Washington State and his love for the outdoors and skiing brought him to Jackson in 2009. His first job in the valley was at Jackson Hole Mountain Resort and after five years there, moved on to Expedia, then Snow King Resort as the Convention Services Manager and National Sales Manager, before coming to Teton Science School. It was his love for education and what he learned about Place Based Education that drove his decision to apply for the position at TSS and he is very excited to be a part of the team. When not at work, he enjoys hanging out with his son Henre, paragliding, fishing and skiing, and is working to become a JH Fire/EMS volunteer.

Finance / Human Resources

  • Mike Witherite

    Chief Financial Officer
    Bachelors of Business Administration & Finance, Westminster College

    After growing up in Texas, Mike moved to the Tetons in 2000 to spend time on the rivers, trails and ski slopes. Twenty years of private sector experience in the hospitality industry, coupled with working in the startup industry, has prepared Mike to help lead the entrepreneurial spirit that exists at Teton Science Schools. Mike brings a history of analytics, forecasting and straight forward communication and believes in applying for profit business principles to expand an organizations mission impact. 

  • Martina Hansen

    Finance Director
    B.A., Health Education and Promotion, University of Utah

    Martina was raised in Jackson Hole and returned after college. With two parents who are accountants, she grew up loving numbers and has been involved in accounting for the last 5 years. In addition to crunching numbers she uses her major by teaching a Health and Weight Management course a couple nights a week.

  • Suzanne Daniel

    Finance Administrator
    B.S. Business Administration, University of Florida

    Suzanne is excited to join and contribute to the Teton Science School's finance department, bringing accounting experience of over 30 years. Her professional career includes management and all financial functions for an environmental consulting company for 18 years, managing the accounting department of a collections law firm for 5 years, owning her own commercial greenhouse business for 10 years and most recently, processing payroll for Jackson Hole Mountain Resort. Feeling a deep connection with nature and wildlife, Suzanne can be found somewhere on a hiking trail exploring new areas in warmer weather or cross country skiing and snow shoeing in the winter . . . and photographing our amazing and diverse wildlife.

  • Hannah Contois

    Finance Administrator
    B.S., Integrated Biological Sciences, University of Vermont

    Hannah graduated from University of Vermont in 2013, majoring in Integrated Biological Sciences and minoring in Genetics. She is a transplant from Vermont where she was born and raised. She is excited to use her skills to the fullest in her position as Administrative Assistant with Journeys School. In her free time, Hannah can be found reading, moonlighting as a writer, riding horses or getting chased around by her two dogs, Goku and K’nex.

Food Service

  • Morgan Brooks
    Executive Chef

    Originally from Tallahassee, Florida, Morgan began her career as a sushi chef in a traditional Japanese restaurant. She then expanded her skill set cooking in French and Italian restaurants, while also training in pastry. Morgan moved to Jackson in 2013 and continued honing her skills working as a sous chef at both the Four Seasons and Rusty Parrot. When not in the kitchen, she enjoys hiking, yoga, kayaking, camping and spoiling her Rottweiler, Ted.

  • Vincent Wisniewski
    B.A., Natural History, Sterling College
    M.S., Environmental Studies, Antioch University

    Vincent started cooking for dividends in high school and just kept at it. FOOD MATTERS!


Property Management

  • The Property Management Department is responsible for the planning, repair, replacement and operational management of all physical infrastructure and centralized operations across Teton Science Schools. The department’s focus includes high-performance building design, efficient operational management and conceptsof sustainability. The department consists of creative, team oriented professionals dedicated to carrying out the mission of Teton Science Schools: Matthew Bart, Sean Baker, Tim Morris, Isaac Hayden, Todd Carlson, Kelly Hackler and Scott Zimmerman. They bring a diverse set of education and skills to TSS in the areas of environmental education, mathematics, climatology, wetland delineation, construction, natural sciences and resource management.


Central Reservations

  • Selena Humphreys

    Central Reservations Administrator
    M.Ed., Science Education, University of Washington
    Certificate in Education, Environment and Community, Islandwood's Graduate Program, WA
    B.S., Ecology & Evolutionary Biology, University of Connecticut


    Selena grew up exploring the waterways and forests of Maine. Before moving to Jackson Hole in 2005, she worked as a naturalist for the Appalachian Mountain Club and a bird bander for Point Reyes Bird Observatory. She has worked for the Teton Science Schools as an instructor, bird bander, wildlife expeditions guide and field education coordinator. She lives in Victor, Idaho and enjoys hiking, fly fishing, gardening, backcountry skiing, and playing with her dogs.


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