Staff

Committed to protecting, preserving, and enhancing Yellowstone

Please call us at 406-848-2400 or email [email protected] and we will be happy to help connect you with the appropriate staff contact.

Lisa Diekmann

President & CEO

Lisa Diekmann 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 the recent past board 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.

Sam Archibald

Lead Field Educator

Sam Barkley

Sam Barkley

Senior Director, Corporate Partnerships

Alison Becker

Alison Becker

Institute Operations Manager

Wendie Carr

Wendie Carr

Chief Marketing Officer

Erica Cerovski

Controller

Marisa Griffith

Marisa Cleary

Director of Donor Relations & Stewardship

Deborah Collins

Debbie Collins

Product Manager

JD Davis

Chief Development Officer

Lisa Dean

Executive Assistant

Amanda Evans

Lead Field Educator

Katy Fast

Education Coordinator

Erin Fitzgerald

Director of Online Engagement

Brian Gerber

Brian Gerber

Fleet & Facilities Assistant

Amanda Hagerty

Institute Director

Olesja Hoppe

Olesja Hoppe

Regional Director of Philanthropy

Tammi Johnson

Retail Operations Manager

Kelly Kirk

Warehouse Associate

Dennis McIntosh

Dennis McIntosh

Facilities and Maintenance Manager

Kristi Mills

Chief Financial Officer

Steve Mount

Steve Mount

Regional Director of Philanthropy

Joshua Murray

Josh Murray

Accounting Coordinator

Nina Novikoff

Director of Human Resources

Kristin Park

Annual Fund Manager

Melissa Ritter

Human Resources Generalist

Katie Roloson

Katie Roloson

Director of Fleet and Field Campuses

Elle Winchester

Director of Annual Fund

Kim Yablonski

Kim Yablonski

Foundation Relations & Park Projects Manager

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