Positions in Egypt:-

• 2011 - Director (Dean) - Egypt National Institute of Transport, Ministry of Transport, Cairo, Egypt.
• 2003 -  Professor of Transportation Planning & Traffic Engineering - Transportation Planning Department - Egyptian National Institute of Transport, Ministry of Transport, Cairo, Egypt.
• 1997 – 2003 Associate Professor of Transportation Planning & Traffic Engineering  - Transportation Planning Department - Egypt National Institute of Transport (ENIT), Ministry of Transport, Cairo, Egypt.
• 1991 -1997 Assistant Professor  Transportation Planning Department - Egyptian National Institute of Transport, Ministry of  Transport, Cairo, Egypt.
• 1986 to 1991 Instructor  - Transportation Planning Department, Egyptian National Institute of Transport, Ministry of Transport, Cairo, Egypt.
• April - May  2000 Part time secondment as  Associate Professor to teach Highway Eng. to Traffic Police Officers/Engineers at Egyptian Traffic Police Department, Ministry of Interior – Cairo – Egypt.
• Sept. to Dec. 1999 Part time secondment as Associate Professor to Traffic Police Officers and Engineers - Egyptian Traffic Police Department, Ministry of Interior – Cairo – Egypt.
• Sept. to Dec. 1999 Part time secondment as Associate Professor to teach Highway & Traffic Engineering  - Faculty of Engineering - Tanta University – Tanta – Egypt.
• 1997 to 1999  1994-1995 Senior Transport/Traffic Planner & Economist  - Transportation Department of DAR AL-HANDASAH Consultants, Cairo Office.
• Advisor & Consultant on Environmental Impact Assessment  - Egyptian Environmental Affairs Agency – Ministry of Environment – Cairo - Egypt.
• 1992 to 1994 Part time secondment as an Assistant Professor to teach Operations Research. At  Egyptian Military College, Ministry of Defence, Cairo, Egypt.
• 1985 to 1986 Instructor  - Department of Civil Engineering, Faculty of Engineering, Menia University, Menia, Egypt.
• 1984 to 86 Civil Engineer  - Bylander Misr Partnership Engineering Consultants, Cairo, Egypt.

Positions in Dubai:-

• 2008 – 2011 Chief Specialist & Subject Matter Expert - Transport Policy, Planning and Legislation - Strategic Planning Department - Roads and Transport Authority – Dubai – United Arab Emirates.
• June 2011 Acting Manager - Transport Policy, Planning and Legislation - Strategic Planning Department - Roads and Transport Authority – Dubai – United Arab Emirates.
• June 2010 – Sept. 2010 Acting Manager - Transport Policy, Planning and Legislation - Strategic Planning Department - Roads and Transport Authority – Dubai – United Arab Emirates.
• June 2009 – Sept. 2009 Acting Manager Transportation Studies & Planning - Strategic Planning Department - Roads and Transport Authority – Dubai – United Arab Emirates.

Positions in Australia:-

• 2008 -  Technical Principal – Transport Planning, Logistics  & Traffic Engineering (Part Time) Snowy Mountains Engineering Cooperation - Transport Infrastructure Group  – Australia.
• 2006- 2008 Manager - Transport Specialist & Principal Transport Planner - Snowy Mountains Engineering Cooperation – Transport Infrastructure Group - Canberra Office – Australia.
• 2005 – 2006 Principal Transport Planner -  Snowy Mountains Engineering Cooperation – Transport Infrastructure Group - Canberra Office – Australia.

Positions in Saudi Arabia:-

• 2003 -2005 Professor of Transportation Planning & Traffic Engineering  - Department of Urban & Regional Planning - College of Architecture & Planning - King Faisal University - Saudi Arabia.
• 2002 - 2003  Associate Professor of Transportation Planning & Traffic Engineering - Department of Urban & Regional Planning - College of Architecture & Planning - King Faisal University - Saudi Arabia.

Positions in USA:-

• 2001 Professional affiliation  with United States Department of Transportation–Washington DC.
• 2000 to 2001 Hubert H. Humphrey Senior Visiting Fellow - Cornell University, Ithaca, New York State – USA.
• 1995 Visiting Fulbright Senior Scholar -  Department of Civil Engineering (Transportation) - University of Texas at Austin -  Austin - Texas – USA.

Positions With United Nations:-

• October to December 94 United Nations Consultant United Nations Economic Commission for Africa (UNECA), Transport, Communications and Tourism Division (TCTD).

Positions in UK:-

• 1986 to 1991 Research Fellow (M.Sc. & Ph.D.) at Transport Engineering Division, Civil Engineering Department, University of Newcastle upon Tyne, UK