Regional Water Resources Management Specialist, Support to EUWI-Med. 2010- 2011

Team Leader, Strategic Water Studies for the City of Alexandria, & Strategic Integrated Urban Water Management Plan for Alexandria 2030,  2006-2011

Supervisor, Egypt Water Use Efficiency Study, CEDARE, Blue Plan, 2010.

Facilitator, Regional Agriculture Trade & Productivity within the Nile Decision Support System Study, 2009

Senior Advisor, AWC/UNDP/CEDARE project on IWRM in the Arab Region.  2006-2008

Team Leader, Nile Decision Support System Project.  2007-2008

Lead Author, 1st Nubian Sandston Aquifer Status Report.  2008

Regional Node Coordinator, and Project Manager, IUCN Water Management Project,2006-2008

Core Consortium Member, and Work Package Leader, NOSTRUM-DSS Project in the Mediterranean.  2004-2007

Lead Author, Arab State of the Water MDGs Achievement Report, CEDARE, Arab Water Council.,2006

Team Leader, Study on Water Conflicts Resolution Mechanisms in the Middle East and North Africa.2005 

Author, Water Resources Section, Egypt Human Development Report, 2005. 

Project Manager, National Water Awareness Campaign for Children.  2005

Team Leader, Survey, Promotion & Outreach Strategy for the New West Delta Canal of Egypt, 2004-2005

Project Manager, Low Cost Wastewater Treatment Technologies & Pollution Abatement in Rural Areas. 2004-2005

Team Leader, Assessment of the Status of Meeting the MDG & the JPOI Target of Developing IWRM Plans in the Arab Region. ,2004

Team Leader, Water Resources Section of the Sate of the Environment Report of Egypt. (2004)

Lead Author, Report on the "Status of Integrated Water Resources Management (IWRM) Plans in the Arab Region". 2004.

Lead Author, State of the Water Report in the Arab Region 2004

Team Leader, Wastewater Disposal, Treatment, & Reuse Assessment in the Mediterranean Region,2003

Team Leader, Water in the 21st Century, from Vision to Action, Framework for Action for North Africa. 

Project Manager, Environmental Vulnerability to Water Resources in Africa. 

Co-Founder & Program Manager, Global Water Partnership – Mediterranean (GWP-Med). 

Project Manager, Water Resources Information System Development. 

Task Force Member, Groundwater Study.

Task Manager, LAUSD PM Assignment Forecast. 

Task Manager, LAUSD Project Management Procedures. 

Task Manager, Hydraulic Analysis and Riprap Design Review. 

Program Coordinator, Environmental Permitting & Removal Action Workplan Projects. 

Project Manager, Environmental Permitting & Removal Action Workplan. 

Task Manager, Water Conservation Plan. 

Task Manager, CALFED’s Comprehensive Water Management Strategy Evaluation. 

Task Manager, Urban Water Management Plan. 

Task Manager, Water Resources Planning Study. 

Task Manager, River Watershed Study

Task Manager, Environmental Assessment and Permitting. 

Task Manager, Creek Flood Insurance Study. 

Assistant Manager, International Business Development. 

Task Manager, Infrastructure Restoration Study. 

Task Manager, Ecosystem Restoration Project. 

Project Engineer, Watershed Environmental Restoration Project

Task Manager, Environmental Restoration Project.

Task Manager, Flood Control Project. 

Project Engineer, Watershed Management Study. 

Project Manager, Environmental Impact Assessment. 

Project Manager, Regional Groundwater Strategy Development. 

Project Manager, Environmental Impact Assessment DSS Development. 

Environmental Engineer, Site Assessment. 

Project Manager, Sea Water Intrusion Study.

Project Manager, Potable Water Treatment Technologies. 

Senior Researcher, National Water Research Center of Egypt. 

Water Researcher, Water Resources Management Decision Support System.

Water Researcher, Expert System for Hydraulic Conductivity Identification. 

Hydraulic Design Engineer, Water Supply and Wastewater Project.