Grand Teton National Park Foundation

Committed to Excellence

In 1997, former Grand Teton Superintendent Jack Neckels, along with now Emeritus Board Member Jerry Halpin, gathered a small group of people together to share an interesting idea—that Grand Teton National Park should have a visitor center that rivals its natural magnificence. With vision and purpose, the group that became our founding board of directors set out to raise funds for a state-of-the-art visitor center that would provide a way for visitors to learn about the park and explore its features in an exciting, accessible way. The project was a success, and paved the way for the Foundation to leverage those founding ideals into much more for Grand Teton today. With expert guidance from our advisory boards and generous contributions from supporters and partners, we gift millions of dollars to the park each year.

StaffBack To Top

Leslie A. Mattson: President. Grand Teton National Park Foundation president since July 2004, Leslie oversees all aspects of the organization, including fundraising, financial management, and governance. She has raised over $60 million from private sector donors for park projects, including funding the purchase of a state-owned 640-acre parcel of land in Grand Teton National Park that was subject to potential development. Other successes include funding the renewal of the trails and educational elements at Jenny Lake, partnering with the National Park Service on construction of the Craig Thomas Discovery and Visitor Center, and supporting wildlife conservation, youth engagement, and cultural resource improvement projects in Grand Teton National Park. Under her leadership, the organization has transformed from a small, locally focused nonprofit into a top-tier National Park Service fundraising partner, successfully competing on a nationwide level for philanthropic dollars. Leslie has over 35 years of experience in nonprofit administration and fundraising, including past work as a fundraising and nonprofit management consultant as well as a development officer for Tufts University and Lesley College. During her 13-year tenure as executive director of the Jackson Hole Land Trust, Leslie led the $26.5 million Campaign for Our Valley, which included a successful $1 million Kresge Foundation challenge grant and the permanent protection of thousands of acres of important working landscapes and wildlife habitat. Leslie serves on the board of the Jackson Hole Energy Sustainability Project, whose mission is to transform Jackson Hole into a national model of energy efficiency and innovation. She also serves on the board of Teton County Search and Rescue Foundation, an organization that directly supports search and rescue volunteers and focuses on education and outreach. She has a B.S. from Tufts University. Leslie is originally from Massachusetts and has lived in Wyoming for 26 years. She is an avid skier, golfer, hiker, and Red Sox fan.

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Mark Berry: Vice President. Mark joined the staff of the Foundation in July 2012 after five years as vice president of a general engineering contracting firm in California. Prior to relocating to California, Mark was executive director of the Center for the Arts in Jackson, Wyoming. In this capacity, Mark managed the organization during its formative years, including completion of its $35 million capital campaign and successfully phased construction. Prior to this, Mark was a senior staff member at the Jackson Hole Land Trust for seven years. In all, Mark has over 20 years of professional not-for-profit experience in Jackson Hole. Mark earned a B.A. in geography from the University of Oregon.

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Steve Cain: Development Officer. Steve joined the Foundation April 2015. He retired in January 2015 from his position as senior wildlife biologist at Grand Teton National Park, where he directed wildlife management, conservation, and research for more than 25 years. Prior to coming to Jackson Steve worked as a biologist in Colorado, Alaska, and Oregon. He holds a B.S. in zoology from Humboldt State University and a M.S. in wildlife biology from the University of Montana, and is an avid skier, windsurfer, boater, hiker, and wood worker.

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Elise Cheney Delmolino: Director, Annual Giving and Special Events. Elise joined Grand Teton National Park Foundation in October 2013. Originally from upstate New York, she has lived in Jackson Hole since 2002. She has spent nearly 10 years teaching and working at Teton Science Schools as a faculty member, fundraiser, and most recently, events coordinator. Elise holds a dual B.S. in environmental science & policy and biology from Clarkson University, as well as a M.Ed. in interdisciplinary studies from Montana State University. She and her husband and dog love spending time outdoors in Jackson Hole hiking, skiing, biking, and gardening.

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Maddy Jacobson: Development and Communications Officer. Maddy grew up in Evergreen, Colorado and went to college at the University of Montana. After graduating, she moved to Jackson in pursuit of outdoor adventure and has now called this valley home for over 7 years. Before joining the Foundation in 2014, Maddy worked for the field education program at Teton Science Schools where she gained a passion for teaching students about Grand Teton National Park and sharing this special place with people from across the globe. In her free time Maddy enjoys skiing, fly-fishing, gardening, and hiking.

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Diane McGee: Operations Manager. Diane joined the Foundation in December 2015. Originally from the San Francisco Bay Area, she earned a B.A. in economics at Willamette Univ. in Oregon. Beginning in Hawaii, she spent 14 years in hotel management, including her move to Jackson Hole in 1992 to work for the Grand Teton Lodge Company. After earning a M.S. in Environmental Education & Interpretation from the University of Idaho, she became Grand Teton National Park’s Education Specialist. Her passion for education and operations management eventually led to 5 years as administrator, pre-school teacher, and director of the youth summer camp at the Presbyterian Church of Jackson Hole. Diane loves tennis, and along with her husband and daughters, enjoys camping, hiking, skiing, and canoeing.

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Leslie Muzzy: Assistant to the President. Leslie joined the Foundation in May of 2015. Originally from Houston, TX, she ventured west to Colorado College in Colorado Springs from which she graduated with a BA in Economics. She spent 5 of her summers working for Teton Valley Ranch Camp located in Dubois, WY, first as a counselor and then as a trip leader. As someone who loves the outdoors, she quickly fell in love with Grand Teton National Park and all that Jackson has to offer, causing her to move after graduating college. In her free time, Leslie enjoys fishing, hiking, skiing, and anything artistically creative.

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Mary Patno: Accounting Manager. Mary has been with the Foundation since 2004. She’s lived in Wyoming since 1977, having moved to Jackson after completing her degree in wildlife biology from the University of Wyoming. Mary maintains her passion for skiing as a part-time ski patroller at the Jackson Hole Mountain Resort. She lives in Jackson with her husband and daughter, and together, they enjoy their many horses as well as the mountains for hiking, climbing, and running.

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Cathy Wikoff: Director, Foundations and Special Gifts. Cathy joined the staff of the Foundation in June 2015. Her nonprofit experience includes the Art Association of Jackson Hole, Cultural Council of Jackson Hole, Nonprofit Development Consulting, and serving on several boards. She also worked the at National Museum of Wildlife Art for ten years as an integral part of the development team during its initial Capital and Endowment Campaigns. Cumulatively, Cathy has over 22 years of professional not-for-profit experience in this valley. Born and raised in New York, Cathy earned a BS in Education from Florida State University. Along with her husband and daughter, she enjoys hiking, fishing, wildlife, gardening, fine arts and skiing.

Molly Ruffle: Senior Major Gifts Officer. Molly joined the Foundation in March 2017 after working for 25 years with the Appalachian Mountain Club in Boston, MA managing membership, marketing, and fundraising programs. Recent AMC fundraising projects included a successful $52 million campaign to establish a multi-use land model of year-round recreation, overnight lodging, conservation, outdoor education, and sustainable forestry in Maine’s 100-mile Wilderness. Originally from New Hampshire, Molly moved to the Boston area after receiving a BA in French from Bates College. Her outdoor passions include hiking, alpine and nordic skiing, fly fishing, and canoeing. Molly lives and works between Winchester, MA and Jackson, WY.

Alex St.Clair: Development Assistant. Alex grew up in Cambridge, Ohio and attended Miami University in Oxford, Ohio where he earned a B.A. in geology. His time at Miami led him to Jackson in 2003 for a geologic mapping project, at which point he vowed to return to the Tetons. He returned to Jackson full-time in 2005. Before joining the Foundation in 2016, Alex worked for 12 seasons in GTNP as a trail crew worker and leader, Youth Conservation Program leader, and preservation carpenter for the Western Center for Historic Preservation. Alex is an operational member of Teton County Search and Rescue and enjoys taking his dog hiking, fly-fishing, hunting, and rafting.

BoardBack To Top

  • Deborah Jensen Barker

  • Max C. Chapman, Jr.

  • Natalie Jane Clark

  • Kirk Davenport

  • Lisa Claudy Fleischman

  • Barry P. Gold

  • Jeff Hanson

  • Bob Hartman

  • Jane Hill

  • Molly A. Kelly

  • Doug Mackenzie

  • Neal Manne

  • Richard Mithoff

  • Hugh O'Halloran

  • Kitty Ordway

  • Katharine (Trina) Overlock

  • Larry Perlman

  • Thomas J. Saylak

  • Patti Stancarone

  • John Townsend

  • David Viehman

  • Rob Wallace

  • Lisa Wan

  • Jeff Willemain

Resource CouncilBack To Top

Andrea Bent
Barbara Carlson
Colby Cox
Jan P. Davis
Lynne M. Davis
Richard H. Dean
John Gerber
Ron Harrison
Jean Hocker
Eddie Holstein
Renny Jackson
Latham Jenkins

Leslie Jones
Jim Kitendaugh
Charlotte Krugh
Alison Lee
Phil Leeds
Gretchen Long
Craig Pattee
Glenn Ray
Ed Riddell
Lee Riddell
Catherine Marcus Rose
Charlie Ross

John Rutter
Ann Ryan
James E. Ryan
Alexander Schilling
Lisa Steele
Kelly Walker
Celia Wallace
Gregg Ward
Kevin Warsh
Bill Waterman
Shawn Whitman