Yellowstone Forever Board of Directors

Board Members

Kevin Butt

Kevin Butt

Board Chair

Kevin Butt (Board Chair) is the Environmental Sustainability Director for Toyota North America, Inc. He is responsible for the development of Environmental Sustainability Programs and Regulatory/Legislative development for all of Toyota’s North American operations. Kevin serves on the boards of the National Wildlife Habitat Council, Kentucky Fish and Wildlife Foundation, World Wildlife Fund National Council, and the North American Great Plains Advisory Board. He holds a Bachelor of Science degree in Environmental Science from Georgetown College.

Tom Detmer

Tom Detmer


Tom Detmer is CEO and President of CenterStone Technologies, Inc. Previously, he was president of Experian eMarketing Services Group, which was formed when Tom sold the email marketing division of 24/7 Media to Experian. Tom is the former President and CEO of Exactis, Inc. which he brought public in 1999 and in 2000 merged with 24/7 Media (now part of WPP). A venture partner of Boulder Ventures in Boulder, Tom co-founded Atlantes and operated it from 1991 to 1997 when it merged with Metromail. Thereafter, until January 1999, he served as President of Behavior Bank/Atlantes as a division of Metromail. Tom has served on the boards of SafeRent (merged to TransAmerica Title) and Market Force Information, Inc.  He currently serves on the boards of CenterStone, PepPod and StyleSelect Technologies.

Carolyn Heppel

Carolyn Heppel


Carolyn Heppel (Secretary) is active in numerous environmental causes. A life member of the Sierra Club, she served for many years on the board of a local Sierra Club chapter, and received a Lifetime Achievement Award. Carolyn is a retired administrative assistant to the Dean of the Upper School at St. Mary’s Episcopal School in Memphis. She is a native of Memphis and graduated from the University of Tennessee. She and her husband, Scott, have a home in Big Sky, Montana, where they pursue interests in fly fishing, cross-country skiing, backpacking, and photography.

John Costello

John Costello

John Costello has over 30 years of experience in consumer goods, retail, and technology. The first half of his career was spent in classic management jobs, with the second half devoted to helping companies navigate high change environments, from start-ups to $70-billion companies. Mr. Costello is currently Chair Emeritus of the Mobile Marketing Association, following his retirement as President – Global Marketing and Innovation at Dunkin’ Brands (the parent company of Dunkin Donuts and Baskin Robbins). He served as EVP of The Home Depot, Chief Global Marketing Officer of Yahoo,  CEO of, SVP of Pepsi-Cola US and President of Nielsen US. He began his career at Procter & Gamble, where he held senior marketing and brand management positions. Mr. Costello is also Co-Chair of the Board of Directors of the Grand Teton Music Festival.

Lisa Diekmann

President & CEO

Lisa became President & CEO of Yellowstone Forever in August 2020. She began her career with Goldman, Sachs, & Co. and later worked for the United Nations Environment Programme. She moved to Bozeman, Montana, in 1996 to become founding Executive Director of the Yellowstone Park Foundation. She left the Yellowstone Park Foundation in 2007 to join The Wilderness Society and was, most recently, Director of Development for the Bridger Ski Foundation. Lisa is on the board, and recent past chair, of Mountain Journal. She received her B.A. from Yale University and her master’s degree from the Yale School of Forestry and Environmental Studies.

Lisa Evia

Lisa Evia is a strategic marketing executive with more than 20 years of experience leading marketing and media teams to push boundaries and generate business results. As President of Havas Media, Lisa leads the Media practice in the Central U.S. and Canada, and ensures the team is consistently innovating and delivering creative media strategies. She also serves as the lead on M&A strategy for Havas North America. Lisa’s current focus is on making a meaningful difference to brands, businesses and people through the Havas Village model, an interconnected team of creative, media, design, digital and activation experts that implement a cohesive strategy to drive results for clients, all under one roof. Throughout her career, Lisa has influenced iconic brands such as AutoZone, Caterpillar, Cracker Barrel, Godiva, Hefty, Michelin, McDonald’s, Moen, Orbitz, Papa John’s, and Sun-Maid.

Annie Graham

Annie Graham serves on several conservation organization boards, including the Advisory Council of The Gorilla Doctors, the Conservation Committee of the Houston Zoo, and the Houston SPCA. She splits time between homes in Texas and Montana, and spends a lot of her time in Yellowstone, where she is deeply committed to the Yellowstone Wolf Project. Annie and her husband, Bob, have two children.

Joseph Marushack

Joseph P. Marushack

Joseph P. Marushack recently served as President of ConocoPhillips Alaska. He began his career with Phillips Petroleum Company in 1982 as a staff engineer in Casper, Wyoming. He held numerous oil and gas operating and commercial leadership roles in upstream, refining, treasury and planning groups. In April 2015, he was named President of ConocoPhillips Alaska following previous roles as President, ConocoPhillips Australia, President, ConocoPhillips Canada, and President, ConocoPhillips Asia Pacific and Middle East. He retired from ConocoPhillips in February 2021. In addition to serving on the Yellowstone Forever board, Marushack currently serves on the board of Northrim Bank. He was born in Norman, Oklahoma and grew up in Rock Springs, Wyoming. Marushack received a Bachelor of Science degree in civil engineering from the University of Wyoming and an MBA from the University of Utah.

Laura Orvidas

Laura Orvidas is the CEO of onX Maps, Inc. The Montana-based company is the industry leader in digital mapping; creating app and GPS chip-based products designed to help hunters and outdoor adventurers navigate terrain and government / private land boundaries. Prior to stepping into the role at OnX, Laura had an 18-year career at e-commerce giant Amazon as vice president of consumer electronics, global hardlines private brands and retail leadership development teams. Laura resides in Bozeman, Montana, with her husband, two children, four horses, dog, cat and chickens. She enjoys spending time hiking, biking and skiing under the legendary Montana “Big Sky”.

Larry Patrick

Larry Patrick serves as Managing Partner of Patrick Communications, LLC, a media investment banking and brokerage firm established by Mr. Patrick in 1984. Mr. Patrick also owns 25 small market radio stations in Wyoming and is also a part-owner of television stations in New York, Los Angeles, and other major markets. Mr. Patrick holds a B.A. in telecommunications from the University of Kentucky; a M.S. in communications from the University of Tennessee; a Ph.D. in communications and management from Ohio University; and a J.D. from the Georgetown University Law Center. He was admitted as a member of the Maryland bar in 1980. Mr. Patrick is a past President of the Broadcast Education Association and of the National Association of Media Brokers. He is currently a Director of the Library of American Broadcasting and is on the Board of IRTS in New York. He is also a Director of the National Association of Broadcaster’s Radio Board.

Susan Roeder

Susan Roeder has enjoyed more than twenty-five years in the building industry with Andersen Corporation, the largest window and door manufacturer in North America. She has led a variety of programs at Andersen focused on community outreach to nonprofit organizations through donations, sponsorships, and in-kind products. Susan’s current role focuses on partnerships with nonprofits in need of windows and doors looking for sustainable building solutions. Susan graduated from St. Catherine University with a degree in Communication. She and her family reside in Stillwater, Minnesota.

Jacqueline Rooney

Jacqueline Rooney is currently on Facebook’s Internal and Corporate Communications team in San Francisco. Her background is in politics where she served as Chief of Staff to the Campaign Manager for Governor Mitt Romney’s 2012 Presidential Campaign. Along with serving on the San Francisco Zoo II’s Board, she is Founder and Chair of Yellowstone Forever’s Young Patron’s Committee. Rooney received her Bachelor of Science degree in International Affairs from John Hopkins University.

Bob Rowe

Bob Rowe

Bob Rowe has been President & CEO of NorthWestern Corporation since 2008. He is Co-Chair of the Institute for Electric Innovation, part of the Edison Electric Institute; a member of the American Gas Association Board of Directors; and past chair and current executive committee member of the Western Energy Institute. Previously, he was a senior partner at Balhoff, Rowe & Williams, LLC, a firm he co-founded that provides financial and policy advice to clients in the telecommunications and energy industries. Bob holds a BA from Lewis and Clark College and a JD from the University of Oregon. He completed the Kennedy School Senior Executives’ Program, and has been active in various professional and university-based organizations. He is currently a senior fellow at the University of Florida Public Utility Research Center.

Michael Solot

Michael Solot has spent the last 20 years investing in private equity and venture deals. He is a managing director with Chicago Capital Partners (CCP), a diversified, private equity holding company. Prior to CCP, Michael served as a managing director with AGR Partners, a food/agriculture-oriented private equity firm, and with Wind Point Partners, a middle market private equity firm. Previously, Michael spent six years in sales and national sales management at Werner Ladder, started by Michael’s family in the 1920s, which grew to become the world’s largest ladder company before its sale. Michael holds a B.S. in industrial engineering from Stanford University and an MBA from Wharton.

Tim Solso

Tim Solso is the lead Director of the Board of General Motors. He was elected to the Board of Directors in April 2012 and served as Chairman from January 2014 to January 2016. Mr. Solso began a 40 year career at Cummins Inc. in 1971. He was Chairman and Chief Executive Officer of Cummins Inc. from January 2000 until his retirement on December 31, 2011. Prior to his role as Chairman and CEO, he served as President and Chief Operating Officer and was Vice-President in charge of the Engine Business. Under his leadership, Cummins became a Fortune 250 company that designs, produces and sells diesel engines, power generation equipment and related components worldwide. An Oregon native, Mr. Solso earned a bachelor’s degree in psychology from DePauw University and an MBA from Harvard University. He has four children and ten grandchildren.

Doug Spencer

Doug Spencer

Doug Spencer is the sole proprietor of Spencer Associates, a management consulting firm in Evergreen, Colorado. He spent  almost 20 years as a fundraising professional, first with Mile High United Way, then later with Friendship Bridge and Water for People. In between, he co-founded and was Chairman and CEO of a small manufacturing business specializing in custom, single-shot rifles. Currently he serves on the boards of Jibuco in East Africa, Mt. Evans Home Health and Hospice, Center for Rural Development-Uganda, and Guatemalan-based Namaste Direct. He also serves on the loan committee for MCE Social Capital, which has 46 microfinance clients in 23 developing countries. He and his wife, Kathleen, live in Evergreen and have two daughters, one a nurse and the other a school teacher.

Thomas Tull

Thomas Tull is Founder, Chairman and CEO of Tulco, LLC, a privately held holding company that partners with companies in under-innovated industries and transforms them using the power of artificial intelligence and data science. Thomas also infused technology into Legendary Entertainment, which he founded in 2004 and built into one of the most successful filmed entertainment production companies in the history of Hollywood.  Outside of his investment work, Thomas is an active supporter of philanthropic causes that support education, medical and scientific research and conservation through the Tull Family Foundation. Thomas is also part of the ownership group of the Pittsburgh Steelers, the six-time Super Bowl champions. He received his undergraduate degree from Hamilton College and resides in Pittsburgh, Pennsylvania.

Elizabeth H. Webb

Elizabeth H. Webb is a senior fashion executive with more than 40 years of industry experience, managing a chain of high-end department stores in the San Francisco Bay Area and consulting for clothing manufacturers in New York City. While she grew up in Northern California, her family roots are in Montana. This connection inspired Elizabeth and her husband, Carl, to own and operate a working 8,000-acre cattle ranch for two decades in Paradise Valley, just on the outskirts of Yellowstone. Working with the Montana Land Reliance, they became dedicated stewards of the land, preserving this unique home for wildlife in perpetuity. Elizabeth consistently devotes her time and passion for wildlife preservation around the world, and also serves on the National Advisory Board for the Laura W. Bush Institute for Women’s Health.