The Ibbs Consulting Group
Design and Construction Solutions

About The Ibbs Consulting Group

William Ibbs is professor and group leader of the Construction Management program in the civil engineering department at the University of California at Berkeley. He teaches courses in construction management, including scheduling, labor productivity analysis, cost management and accounting, and project management. He is a leading thinker, active researcher and writer on construction management subjects.

In addition to his academic career Professor Ibbs is a very active consultant. He has served as an expert witness and project neutral, qualifying to testify in federal and state courts, and international arbitration. His work includes the impact project change has on labor productivity (both design and construction labor), schedule, and cost. He has testified on matters involving professional standard of care.  Dr. Ibbs has also been involved in disputes involving cumulative impact, loss of productivity, schedule delay, construction defects, construction accounting, personal injury, surety takeovers, false claims, and loss of economic value.

Dr. Ibbs has worked on some of the biggest, most complex projects in the world including Boston’s Big Dig, reconstruction of the Panama Canal, hospitals, process plants, transit systems, and nuclear and conventionally-fueled powerplants. Clients include Areva, Bechtel, Chevron, CH2M-Hill, Obayashi, Siemens, the US Navy, and numerous utilities and governmental agencies throughout the US, Africa, Asia, Europe, the Middle East, and South America. Bill has also worked on many different smaller projects, including local schools, highways, bridges and private residences. Prior to his academic career, he worked in the private sector for design, owner, and contractor organizations.

Professor Ibbs is active in and has received recognition and awards from various professional organizations such as the Associated General Contractors, American Society of Civil Engineers, the Beavers, and the Project Management Institute. Other memberships include the American Association of Cost Engineers and the Dispute Review Board Foundation. Dr. Ibbs has also published over 180 articles on the subject of construction management, including change and its impact on labor productivity. He has also participated in panels for the National Academy of Engineers and the National Science Foundation, and conducted research for the Corps of Engineers, Caltrans, and numerous other organizations.

Dr. Ibbs earned B.S. and M.S. degrees from Carnegie Mellon University and a Ph.D. from U.C. Berkeley, all in civil engineering with a construction management emphasis. He has minors in accounting and finance.
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