His research focuses on risk analysis, alternative project delivery, and cost estimating for construction and infrastructure projects. Dr. Khalafalla has performed risk analysis and cost estimating related work for the National Cooperative Highway Research Program. Also, Dr. Khalafalla has worked on concrete research for the Tennessee Department of Transportation. Dr. Khalafalla has authored numerous articles, conference proceedings, and technical reports. He received his Ph.D. from Auburn University in 2019 and his Master's from the University of Tennessee at Chattanooga in 2015. Dr. Khalafalla is currently a part Master's student (Law) at Northwestern University and is expected to finish it in 2024. Dr. Khalafalla has worked in the construction industry for more than five years in different capacities, including pre-construction and estimating.