Meet Our Board

Photo Credit: Peter Hellberg

Paul Spitler, President

Mr. Spitler has worked for The Wilderness Society since 2008, including four years in Washington D.C., as the organization’s primary voice on Capitol Hill on wilderness legislation. Before coming to The Wilderness Society, Mr. Spitler directed the California Wilderness Coalition, where he initiated and lead the successful effort to designate new wilderness areas across the state.  While in California, Mr. Spitler oversaw initiatives to reform off-road vehicle management and improve logging policies in national forests.  At the Resources Law Group, he helped design and implement the Preserving Wild California program, a five-year $150 million philanthropic initiative aimed at securing permanent protections for key California wildlands.   Mr. Spitler has served on numerous boards and commissions.   He has a degree in geology from the University of California at Davis and a law degree from Stanford University. 

Photo Credit: Mitya Ku

Tommy Billion, Vice President

Mr. Billion was born in Bozeman, Montana in 1981. He graduated from Bozeman High School in 2000 and went to work as a Dive Master in Hawaii. After college, Mr. Billion worked in Japan for two years teaching English. Upon returning to the US, he spent several years working for the Community Food Co-Op before becoming an insurance producer for Trade Risk Guarentee. Mr. Billion enjoys fishing, skiing, spending time outdoors and traveling.

hoto Credit: dimnikolov

Lilia Tyrrell, Treasurer

Ms. Tyrrell has practiced law since 2009, and joined Kasting, Kauffman and Mercer in 2012. After serving as a law clerk for the United Nations Assistance to the Khmer Rouge Tribunal and practicing with King & Spaulding in Washington DC, she is delighted to call Montana home. Born in Galway, Ireland, Lilia has vivid memories of playing outside. Ms. Tyrrell is inspired by MOSS instructors, and the incredible work they do connecting children with nature.

Jimmy Blackburn, Secretary

Originally from Alexandria, Virginia, Jimmy's passion for Montana and fly-fishing was sparked during a childhood horseback adventure in the Bob Marshall Wilderness. After college on the  east coast and business school in Monterey, California, Jimmy spent the next eight years in San Francisco successfully closing sales and developing new business for a handful of technology companies. The big city lifestyle eventually grew old, so he moved to Bozeman and hasn't looked back. Now a realtor with Heart of Montana Realty, Jimmy spends a considerable amount of time flyfishing, skiing and hunting upland birds with his two English Setters, Jackson and June.


Sara Biddle, Director

Ms. Biddle is a freelance conservation grant writer. She moved to Bozeman in 2008 after graduating from the Vermont Law School and earning a Master's in Environmental Policy and Law. Since 2008, Ms. Biddle has worked in the field of renewable energy development in Montana, Utah, and Wyoming. Prior to going back to graduate school, she worked as field instructor for both adventure leadership and wilderness therapy programs throughout the Western states. Ms. Biddle joins the board hoping to contribute through grant writing.  


Siri Gilliland, Director

Siri grew up in Bozeman and graduated from Montana State University. She earned a Masters degree in Social Work from Hunter College and worked in New York for Goldman Sachs where she met her husband, Lance. Siri has been on the board and worked closely with two not-for-profits in Houston, Texas, both serving children in the greater Houston area.   She and her husband currently split their time between Bozeman and Houston, with an eye to moving to the mountains full-time very soon!


Eric Lammers, Director

Eric Lammers is a Montana native whose great grandparents homesteaded in Golden Valley and Wheatland Counties. He is a passionate believer in the importance of outdoor science education, and especially in expanding MOSS's reach to underserved communities and with scholarships to deserving kids. Eric and his wife, Jennifer, have two children, Leland and Ruby, who love MOSS programs! Eric and his family's commitment to making being outdoors in Montana a foundational element of their kids’ lives led them to recently relocate to Bozeman. 

Eric is a graduate of the London School of Economics, Georgetown University, and the Wharton School. He is a founding partner of Swift Current Energy, a private equity business that specializes in alternative energy projects and sustainable infrastructure. Previously, he worked at ArcLight Capital in Boston, leading investments in energy infrastructure, including the country's largest wind farm construction around Tehachapi California. 


Jono McKinney, Director

Jono is President and CEO for the Montana Conservation Corps (MCC), one of the country’s premier conservation corps and a leading AmeriCorps national service program based in Bozeman. Jono taught high school and led the outdoor education programs for three years at Fountain Valley School in Colorado, and instructed for ten years with NOLS. He served six years on the Montana Nonprofit Association (MNA) board of directors, with two terms as board chair, where he had a leading role in developing the MNA Principles and Practices for Nonprofit Excellence. Jono earned his BA from Yale University and Masters degree in Environmental Studies and Nonprofit Administration from Antioch New England Graduate School.  He and his wife, Laurie, and children, Bridger and Erin, spend weekends hiking, climbing, biking, rafting, and camping in wild places across Montana.   


Kristy Michael, Director

Ms. Michael is a mother of two grown children who benefitted from MOSS school programs and summer camps. She is a retired early elementary teacher and believes strongly that early experiences outside set the tone for a lifetime of outdoor appreciation. Learning with children has shown her that once children know and enjoy the natural world, they understand that we are a part of nature and become better stewards for the future.


Jessica Powell, Director

Jessica is an employment recruiter for the technology industry. She is an avid snowboarder who splits much of her time between Montana and California.


Jessica Rounds, Director

Ms. Rounds worked in Los Angeles for many years as a freelance writer before transitioning into marketing and video production with Richter10.2 Media Group. A graduate of University of Virginia, Ms. Rounds was raised in Colorado, where she participated in programs like Outward Bound, and thrives on participating in outdoor adventures as often as possible. She moved to Bozeman in 2014 and contributes to MOSS marketing efforts.