Professional Staff

Michael Hreben

Sr. Consulting Scientist

“I am passionate about accurately understanding potential issues and creating appropriate solutions.”


Mike is a Sr. Consulting Scientist and has been with Kleinschmidt for 24+ years. Mike also has more than 25 years of experience designing and utilizing specialized collection systems for use in traditional sampling methods to monitor fish populations and collect specimens for analysis. He is trained to set up and conduct instream flow studies using IFIM technology.

He works as a fisheries biologist managing and conducting environmental studies. His experience involves projects dealing with instream flow, fish entrainment, turbine mortality, fisheries abundance and diversity, habitat enhancement, research on American eel and lake sturgeon, and water quality issues. His most recent projects include FERC Relicensing; Pumped Storage Development Phase I Design; Impact of Decommissioning on Environmental and Recreational Resources; Nature-like Fishway Effectiveness Evaluation; Value Engineering Study, Downstream Fish Passage; Research and Mitigative Efforts for American Eel and Lake Sturgeon. Mike has been involved in studies at hydroelectric facilities throughout North America.

Mike is a Certified Swiftwater Rescue Technician. He is an active member of the American Fisheries Society and the Wildlife Society and obtained a B.S in Biology from Pennsylvania State University.