Karen Lee Hansen, PhD, is Associate Professor of Civil Engineering and Construction Management at California State University. She holds a master of science in construction engineering and management and a doctorate in civil engineering from Stanford University. A former engineering manager at The Boeing Company, Dr. Hansen has worked as a senior project manager and construction engineer for large general contractors in the commercial and industrial sectors. She is a Certified Design-Build Professional, a member of the ASCE and AIA, and has worked with diverse organizations including BAA, Bechtel, City of Los Angeles, Department of Trade and Industry (London), EPA, École Alsacienne (Paris), Ove Arup (London), the Tokyo Institute of Technology, and the Universities of Brighton, Loughborough, Salford, Strathclyde, and Sussex in the UK.
Kent E. Zenobia, PE, BCEE, works for the California Department of Water Resources as the Chief of the Project Delivery Branch responsible for major flood reduction and site restoration construction projects. He previously served as a senior program manager at URS Corporation and chief environmental engineer for Kleinfelder. He has more than thirty-five years of professional technical and engineering management experience. He is a Fellow of ASCE, a registered engineer in nine states, and a Board Certified Environmental Engineer, and recognized as a national expert in environmental engineering by the American Academy of Environmental Engineering. He has authored or coauthored significant reports, papers, and articles for clients such as the U.S. Navy, DuPont, Intel, NASA, BP/ARCO, Shell Oil, and the U.S. Air Force, among others.