Mike DuCuennois, Paul Callahan, and Mike Rotar
Mike DuCuennois, P.E., is a lead development manager and engineer with the Yellowstone Mountain Club.
Paul Callahan is a senior hydrologist and vice president for West Region Environmental Science at PBS&J.
Mike Rotar, P.E., is a senior hydraulic engineer in PBS&J's Bozeman, MT, office and a lead project manager on stream restoration and fisheries habitat enhancement projects.