Dr. Ahmad Hadavi is a Clinical Professor in the Department of Civil and Environmental Engineering and Project Management Program at Northwestern University. His research interests are in the areas of Construction Information Technology and Innovations: Virtual Reality, Building Information Modeling, and Lean Construction; Productivity Improvement; Construction Cost Engineering, and International Construction. Professor Hadavi earned his Ph.D. in Civil Engineering - Construction Management at Northwestern University in1991. He is a Professional Engineer and an ABET Program Evaluator.