Academic 

Arab academy for Science and tech., Cairo         2017 - Present

Associate Professor at the Department of Construction and Building Engineering

The University of Tennessee, Knoxville                2014 - 2017

Graduate Research Assistant 

Mississippi State University                                    2013 - 2014

Graduate Research Assistant 

Arab Academy for Science and Tech., Cairo          2008 - 2013

Graduate Research Assistant 

Industrial

Trading and Contracting Group (Egypt)

Full time site engineer                                                                                         May 2003-May 2008

Part time engineer and project management                                                    June 2008- July 2013

Academic Services

Reviewer, Journal of Management in Engineering, ASCE.

Reviewer, Journal of Construction Engineering and Management, ASCE

Reviewer, Journal of Construction Management and Economics

Reviewer, International Journal of Construction Management, T&F.

Reviewer, International Journal of Disaster Risk Reduction, Elsevier

Reviewer, Engineering Sc. and Tech., an International Journal. Elsevier B.V.

Reviewer, Journal of Environments, MDPI, Switzerland.

Reviewer and Program Committee Member, Construction Research Congress, March, 8th –March, 10th, 2020 Tempe, Arizona.

Reviewer, Construction Research Congress, April, 2nd – April 4th, 2018 New Orleans, Louisiana.

Reviewer, 2016 Construction Research Congress, May, 31st –June, 2nd, San Juan, Puerto Rico

Reviewer, 2014 Construction Research Congress, May, 19th –May, 21st, Atlanta, Georgia