Professor, Biology Department, American University of Beirut, Beirut
President of the Governing Board of the International Center for Advanced Mediterranean Agronomic Studies (CIHEAM), Chair of the International Dry land Development Commission (IDDC)
President, Petra University
Professor and Director, Center for Environmental Economics and Policy in Africa, University of Pretoria
Board Member, BoD, Center for Special Studies & Programs (CSSP); Chairman of BoT, Egypt-Japan University of Science and Technology (E-JUST) and Former Minister of Education
Julius Brown Chair and Regents Professor Director, Laser Dynamics Lab Georgia Institute of Technology School of Chemistry and Biochemistry
Professor, Environmental Economics, Institute of Graduate Studies and Research, Alexandria University
Research Professor, Fusion Technology Institute, University of Wisconsin, Madison, Wisconsin
Distinguished Research Professor, Fusion Technology Institute, University of Wisconsin, Madison, Wisconsin
Nuclear Power Plants Authority, Cairo
Executive Director, Nuclear Safety, Quality and Regulatory Affairs, Emirus Consulting Inc., Ontario
Professor, North Carolina State University, Raleigh, North Carolina
Professor, University of Illinois, Urbana, Illinois
JP Professor, Illinois Institute of Technology, Chicago, Illinois
Professor, Politecnico di Torino, Italy
Director, the Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME), Amman
Professor, Director of Egyptian System of Nuclear Material Accounting and Control
SNC Distinguished Professor, Georgia Institute of Technology, Atlanta, Georgia
Senior Nuclear Licensing Engineer, Dominion Nuclear Connecticut, Inc., Connecticut
Senior Safety Officer, Division of Nuclear Installation Safety, International Atomic Energy Agency, Vienna
Nuclear Regulatory Commission, Washington, DC
President of the Arab Water Council, Former Minister of water Resources and irrigation, Egypt
Executive Director, TWAS - the academy of sciences for the developing word
Center for Teaching and Learning & Science and Math Education Center, American University of Beirut
Director, Bibliotheca Alexandrina
Head of Biotechnology at the Arid Lands Agric
Professor of Pesticide Chemistry and Toxicology, Faculty of Agriculture, Alexandria University
Professor of Biological Control, Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University