Khaled Nassar received his bachelor's in science and master's degrees with honors from Cairo University in 1992 and 1995 respectively, and his PhD from Virginia Tech, Blacksburg Virginia in 2000. Currently, he is a professor of construction engineering at The American University in Cairo (AUC). Prior to joining AUC, he was an assistant professor of construction engineering at Bradley University in Peoria, Illinois, an associate professor at the University Maryland Eastern Shore, United States, as well as serving as the chair of the department of Architectural Engineering at the University of Sharjah, UAE, Associate Dean of the School of Sciences and Engineering at the American University in Cairo.Nassar has taught and conducted research on several areas ranging from simulation applications, computing in design and construction, quantitative methods in construction management and technology as well as visualization. He has published hundreds of refereed journal and conference papers in top journals in the field with several best paper awards and advised many master and PhD students on topics ranging from data mining applications to simulation of onshore wind farm construction. He is listed as one of the stanford-elsevier ranking of top 2% researchers worldwide. Furthermore, he participated in research grants worth more than one and half million dollars with projects funded by the Illinois Department of Transportation (IDOT), Caterpillar Inc, National Science Foundation (NSF), the World Bank Group, the European Union (EU) as well as several others.Nassar has received many awards, including the Caterpillar fellowship, the Hauser Award, as well as several best teacher and best paper awards. In addition to his academic work, he has practiced professionally in the United States and various countries in the Middle East in the Architecture, Engineering and Construction (AEC) industry and consulted on several projects around the world. He has also provided professional training on several topics to various design firms including some fortune five hundred companies.Dr. Nassar has been one of the early adopters and proponents of BIM and Open-BIM concepts since inception and participated in developing the first national BIM code. He has developed several training courses on BIM and has conducted research on various aspects related to BIM. He has taught and practiced in several counties including US, Gulf, Spain, and Egypt.