Christopher P. Hiltunen, P.E. President
Certifications: Professional Engineer MSHA/OSHA Safety Trained Chris joined Bison in 1995 and is currently the Helena Branch Manager. Chris obtained a Bachelor of Science degree in Mechanical Engineering from The University of New Hampshire. He is a registered Professional Engineer in Montana. His duties involve project management and oversight of ambient monitoring, source testing, and permitting/compliance activities. Chris’s past duties included ambient air and meteorological data collection, quality assurance, processing and reporting on a variety of ambient monitoring systems, including PM10, PM2.5, SO2, CO, NOx, O3, and meteorology installations as well as continuous emissions monitoring systems. He