2007 Representative of the Kingdom of Saudi Arabia in International Society for Horticultural Sciences Council.
2007 Member, Board of directors of the Center of Excellence in Biotechnology Research, King Saud University.
2005 Consultant, Ministry of Agriculture.
2004 Dean, College of Food and Agricultural Sciences, King Saud University.
2004 Member, Executive committee of the Association of Arab Agricultural Colleges
2004 Member, Executive committee of the Association of Agricultural Colleges and Technical Institutes in the Arabian Peninsula
2002 – 2004 Chair, Department of Plant Production.
2001 – 2004 Member of the Agricultural Committee at Riyadh Chamber of Commerce.
2001 Professor, Department of Plant Production.
2000 – 2003 President,Saudi Society for Agricultural Sciences
1999 – 2001 Board Member, Saudi Biological Society
1999 – 2000 Consultant, Al-Jouf Agricultural Development Company.
1997 – 2002 Member of the Agricultural working group at King Abdulaziz City for Science and Technology.
1997 – 1999 Deputy Dean, College of Food and Agricultural Sciences..
1994 – 2001 Associate Professor, Department of Plant Production,
1991 – 1993 Director, Agricultural Research and Experiment Station,
1989 – 1994 Assistant Professor, Department of Plant Production,