Steve Cox, President

SSC on Outcrop_2

Steve got started with IMMG on field trips, became a gift shop volunteer, and joined the Board in 2012. He also serves as field trip coordinator. More a biologist than a geologist, he still likes to understand Idaho geology on a landscape scale. Now retired, he worked in Boise for engineering companies MWH Americas and HDR doing wildlife analysis for environmental impact studies. Prior to that, he was a physician for 30 years, specializing in geriatrics.

Terry Panhorst, Vice President

Terry Panhorst





Terry is a retired professor of geology from the University of Mississippi and has become active at IMMG in taking Gift Shop shifts, helping Eliza with the geology of the hillside hikes, giving lectures and helping Steve with field trip planning and leading.

 Carol McDonald, Treasurer


Carol joined the IMMG as Board Treasurer in 2009 and has immersed herself in updating the accounting process as well as promoting the IMMG.  She serves on the Exhibits Committee and  oversaw the recent Gift Shop Update.  Carol retired from the Idaho State Bar, having spent the last 23 years as the Admissions Director and now enjoys her volunteer time learning more about mining and geology.  She enjoys traveling, sports and time spent with her family.

Annemarie Hasnain, Secretary


Annemarie has served as Secretary of the Board since 2012. She grew up at the southern end of the Grand Coulee in Washington State and has been fascinated by geology ever since.   She still likes to learn and has taken a number of anthropology and geology classes at Boise State University.

Clint Cuzzo, Member at Large


Clint has been a member and volunteer of IMMG since 2012. Since joining the Board in 2014, he keeps busy as IMMG’s Operations Coordinator. Now retired after a 35-year career in software, and he holds 7 US patents. He enjoys spending time learning about regional geology—and how IMMG can share that knowledge with its visitors.

 Coyote Short, Member at Large


Coyote has been into rocks from her earliest memory, leading to a career that culminated with her Geology degree from BSU and certification as a Licensed Geologist in Idaho. She has been a volunteer at IMMG for 20+ years and a Board member for the last decade. She is a stalwart, manning the reception desk three afternoons every week and serving as a rock and mineral identification resource for all who visit the Museum. She has also taught mineral identification at youth and adult workshops and has written books about Eagle Rock and obsidian.

Judy Williams, Member at Large

Judy Williams

Judy has been a Board Member since 2014 and serves as the manager of the Gift Shop.

Doug Taylor, Member at Large


Doug has extensive career experience in geology and mining. He has been  Membership Coordinator as well as assisting in displays and facility upkeep.

Marcus Santistevan, Member at Large






Marcus is a Business Development Officer at Idaho Central Credit Union and was elected to the Board in 2019. He will bring his community relationships and financial expertise to the Board. He has been actively volunteering as a gift shop attendant.