Board of Directors

Board members at various Prospera events. Photos courtesy of Creative Enterprise Office and Studio MacLeod.
We are thankful for the leadership and guidance provided by both the individual board members and the businesses they represent. Their commitments of time and resources are truly inspiring. Thank you!

Interested in joining the Prospera Board? Board member nominations are sought each year in the late summer/early fall, all Prospera members are eligible to submit nominations and self-nominations are welcome. If you are interested in becoming involved on the Board, we would love to match you with a Prospera committee first to prepare you for a board position. Give us a call at (406) 587-3113 or drop us a line at to learn more.
Executive Committee
Lilia Tyrrell, Partner
Kasting, Kauffman & Mersen PC
Stacie Bruno, Controller
Past President
Dennis O'Brien, Managing Director  
Linn Grove Ventures 
Jim Ness, President
Big Sky Western Bank
Bill Blackford, Supervisor Region Operations- Bozeman  
Board Members
Bert Bartle, VP / Commercial Loan Officer
Samantha Kimmet,
First Interstate Bank 
Heather Bellamy, Community Relations Manager
NorthWestern Energy 
Callan Nagy, AVP / Commercial Loan Officer
Stockman Bank
Kelly Bresnahan, General Manager
Jeri Norris, Branch President
Chris Darnell, VP
Kurt Ratz, Project Manager
Erin Gallinger, Business Banker
Brie Thompson, Co-Founder