Administration

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

Christopher P. Hiltunen, P.E. President2019-01-11T14:33:13-07:00

Kay Johnson Accounting Specialist

Kay joined Bison in 1997 as the Office Coordinator. She is responsible for all clerical support to the company and, in particular, assists with quality assurance functions to ensure that all work products are of the highest quality. She also assists other members of the administrative group with financial, personnel or marketing tasks as needed. Kay has completed numerous courses in office management, business and clerical areas, and personal development. In 2018 Kay decided to semi-retire and work part time, so she stepped down from the Office Coordinator position to become and Accounting Specialist. In her new

Kay Johnson Accounting Specialist2019-01-11T14:37:36-07:00

Robyn Barkley Administrative Assistant

Robyn joined Bison Engineering in early 2014 as an Administrative Assistant. She has a bachelor’s degree in Fish and Wildlife Management from Montana State University. Her duties include assisting with budgets, travel-related paperwork, bookkeeping, safety compliance, human resources and payroll. As her job progressed with the firm, Robyn has added duties in support of the Source Testing group. She assists the group in preparing for field tests including cleaning and assembling glassware in accordance with accepted EPA reference methods, calibrating equipment and maintaining calibration records. She processes source test filters and samples and maintains filter/sample tracking records

Robyn Barkley Administrative Assistant2019-01-11T14:38:31-07:00

SOURCE TESTING PROJECT MANAGER

We are looking for an experienced source tester to lead emissions testing projects in our Tucson office.

SOURCE TESTING PROJECT MANAGER2020-01-31T12:45:11-07:00
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