Home / Staff & Expertise

Hydrologists/
Hydrogeologists/
Geologists

Engineers
GIS/Database/
Environmental
Specialists
Administrative
Personnel

Thomas J. Osborne, P.H.
Professional Hydrologist
President

David Donohue, P.G.
Senior Hydrogeologist
Manager Helena Office

John Kaufman, P.G., C.P.G
Senior Hydrogeologist

Korrin Kenck Vanderloos
Geologist I
Billings Office

Mike Meredith
Hydrogeologist II
Billings Office

Melissa Collins
Hydrogeologist II
Helena Office

Shane A. Bofto
Senior Chemical/ Environmental Engineer
Deputy Operations Manager
Billings Office

Luke Osborne,
P.E.

Project Engineer
Helena Office

Stephanie Anderson
Environmental Scientist / GIS Analyst
Billings Office

Rye Svingen 
Assistant Scientist
Billings Office

Leanne Roulson
NEPA Coordinator
Scientist III
Helena Office

Jeannie Riddle
Business Manager/
Contract Specialist
Billings Office

Ali Mantz
Admin Assistant/
Technician II
Billings Office