Dr. Hamzeh is a Lean Construction expert. His theoretical and applied research in the US, Canada, and the MENA region aim at improving the design and construction of projects. Working in the construction industry, conducting research on actual design and construction projects, developing models, and establishing new performance metrics all contribute to his mission of making design and construction Lean. Dr. Hamzeh is an active member of Production and Planning control area within the International Group of Lean Construction (IGLC) and has published heavily on Lean Construction and related topics.