Workshop on Water Resources of Egypt, Funded by National Science Foundation, Principal Investigator, in collaboration with the National Water Research Center, Ministry of Water and Irrigation, Egypt, May 2014.
Member Research Development Committee, International Water Management Institute, Colombo, Sri Lanka, April 2011
Principal Investigator Water resources and hydropower assessment in the Nam Ngum River Basin under climate change, Laos; Joint project with International Water Management Institute, Sri Lanka, 2009-present
Principal Investigator Natural groundwater recharge assessment in Northern Ghana under climate change, Ghana; Joint project with International Water Management Institute, Sri Lanka, 2009-2011
USU Lead Inauguration of the Arab Water Academy, Abu Dhabi, UAE, July 2008 Organizer Extension Needs Assessment Forum for Iraqi Ministries of Water Resources, Agriculture, Environment, and Higher Education, Amman, Jordan, Funded by the US Department of Agriculture, February 2007
Principal Investigator Water and Irrigation, Iraqi Agriculture Extension Revitalization (IAER) Program, Funded by US Department of Agriculture , 2006-2011
Project Director Academic Exchange Program with An-Najah National University, Nablus, Palestine. Funded by the US State Department , 2000-2005
Principal Investigator Water resources management in the Walawe River Basin, Sri Lanka, Joint project with International Water Management Institute, Sri Lanka, 2004-2010
Principal Investigator Hydrologic analysis and water resources assessment in the Blue Nile River Basin, Ethiopia; Joint project with International Water Management Institute, Sri Lanka., 2004-2008
Principal Investigator Aquifer vulnerability assessment of eastern coastal aquifer zone of Sri Lanka; Joint project with International Water Management Institute, Sri Lanka, 2005-2008
Consultant TOKTEN Consultant to Government of Sri Lanka on groundwater pollution and management, Funded by UNDP, August 1998
Consultant TOKTEN Consultant to Government of Sri Lanka on developing groundwater modeling capacity, Funded by UNDP, August 1997
Visiting Professor Royal Institute of Technology, Stockholm, Sweden, 1997-1998
Visiting Scientist Swiss Federal Institute of Technology, Zurich, Switzerland, 1989-1990
