Meet The Team

James Dunlevy, P.E.

Principal – Mechanical Engineering

Education: Bachelor of Mechanical Engineering, University of Minnesota, 1981

Professional Involvement: American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE)


Jim has 23 years experience in the design, construction and evaluation of a wide variety of mechanical systems. His project background includes industrial, commercial, institutional, medical, office and educational buildings. He has led engineering teams in the design and evaluation of mechanical systems of all types. He has practical “hands on” experience in the design and construction of HVAC systems, chilled water systems, steam systems, plumbing systems, heat recovery systems, medical gas and process gas piping systems.

David Hierseman, P.E.

Electrical Engineer

Education: Bachelor of Science in Electrical Engineering, Iowa State University, 1974. Certified Lighting Efficiency Professional (CLEP), TKE

Professional Involvement: North Central Electrical Engineering Society, North Central Data Comm Council


David has 29 years of experience in the design and evaluation of lighting, power and special electrical systems. His project experience includes commercial, industrial, municipal, medical, educational facilities, multi family dwelling and high-rise buildings and has experience with energy saving studies.