Senior Associate with Schnabel Engineering, Inc.Mr. Petersen has 25 years of experience in various aspects of geotechnical and geological engineering, including site investigations, geotechnical analyses, design recommendations, expert witness testimony and construction services for projects involving highways and railroads, and for commercial, industrial and residential facilities. He received his B.S. degree in Geology from Bowling Green State University, followed by a B.S.E. degree in Geological Engineering and an M.S. degree in Engineering Geology from Purdue University. Mr. Petersen has served on the Editorial Board for the GeoInstitute’s Geo-Strata magazine since 2006 and recently completed a term as chairman for the Delaware Valley GeoInstitute.