Professional Staff

Dana Postlewait, P.E.

Regional Vice President

“I truly enjoy working with talented colleagues and the integration of science and engineering to address complex fisheries, water resource, and renewable energy issues.  Kleinschmidt provides an incredible environment for our professionals to collaborate on these interesting and important projects with and for our clients.”


Dana is a registered professional civil engineer with over 36 years of consulting experience specializing in the planning, design and construction of fish passage, fish hatchery, and water resource projects. He is our Regional Vice President of the West/Northwest Region responsible for Kleinschmidt’s project execution and client satisfaction in that region.  He formerly served as the President of R2 Resource Consultants, who joined the Kleinschmidt Family in 2021.  Dana has led fish passage studies and final designs and has supported multi-disciplinary teams associated with FERC licensing/relicensing of hydropower projects, federal, state, Tribal, and NGO clients throughout the Western US and Alaska.

He is a member of the American Fisheries Society and is currently serving on the ExCom of the Bioengineering Section as Immediate Past-President. As a member of the American Society of Civil Engineers, he is active in the Joint Committee on Fisheries Engineering and Science within the ASCE Environmental & Water Resources Institute (EWRI).  He is also serving as an Employee Representative on Kleinschmidt’s Board of Directors.  Dana has a B.S. in Civil Engineering from the University of Washington.