| January 2011 (to date) | Professor of Nutrition, and Head of Nutrition and Health Studies Unit, Deanship of Scientific Research University of Bahrain. |
| July 2003 – Dec 2010 | Assistance Secretary General – Scientific Studies, and Director, Nutritional Studies Bahrain Center for Studies and Research. Professor of Nutrition (2007-) |
| September 1997 – June 2003. | Head of Research/Director of Environmental and Biological Programme, Bahrain Center for Studies & Research, Manama, Kingdom of Bahrain. |
| Duties: | Carrying out research and studies on environment, food, nutrition and health. Conducting training courses, workshop and symposium on environment, nutrition and health issues. |
| May 1999 – 2010 | Professor of Nutrition and Public Health, College of Medicine and Medical Sciences, Arabian Gulf University, Bahrain (Part-time, 6 hours/week). |
| Duties: | Supervised research projects of the students. Organizing nutrition workshop for medical students. Participation in developing the Master Programme in Community Health. Carrying out research projects. |
| March 1995 to August 1997 | Associate Professor of Food and Nutrition, Dept. of Food Sciences and Nutrition, Faculty of Agricultural Sciences, UAE University, United Arab Emirates, UAE. |
| Aug. 1993 – Feb. 1995. | Assistant Professor of Food and Nutrition, Dept. of Food Sciences and Nutrition, Faculty of Agricultural Sciences, United Arab Emirates University, UAE. |
| Duties : | Taught Human Nutrition, Community Nutrition, Traditional Foods and Dishes in the Gulf, Food Poisoning, Meal Planning and Management, Nutrition for Athletes, and Nutrition Education to undergraduate students. Supervising research projects of the students, and carrying out research in food and nutrition. Participate in developing the Food and Nutrition Curricula in the Department. |
| 1981 – 1992 | Head of Nutrition Unit, Directorate of Public Health, Ministry of Health, Bahrain. |
| Duties: | Formulate food and nutrition programmes, identification of main food and nutritional problems in Bahrain, evaluation of nutrition activities and programmes, conduct training courses for health and community workers, formulate food and nutrition regulations, and supervise nutritional activities in the Ministry of Health. |
| 1988 – 1993. | Assistant Professor of Nutrition, College of Medicine and Medical Sciences, Arabian Gulf University, Bahrain (part-time, 5 hours/week). |
| Duties: | Supervised research projects of the students on community health and nutrition. Lectured for premedical students in food and nutritional problems in the Gulf. Participated in developing the Master Programme in Nutritional Sciences. |
| 1983 – 1992 | Visiting Lecturer, College of Health Sciences, Ministry of Health, Bahrain. |
| Duties: | Lectured for B.Sc. Community Nurse Students. Lectures include nutrition for pregnant and lactating mothers, breastfeeding and infant feeding practices, nutritive value of local foods and dishes, and nutritional problems in Bahrain. Taught the course of Food Hygiene for the students of public health inspection (College of Health Sciences). Course includes food poisoning, food adulteration, food preservation and hygiene, and sanitation in food establishments. (Feb.-May 1985). Taught Mass Media Course for the Health Education Diploma, College of Health Sciences, Bahrain. Course includes advantages and disadvantages of mass media and evaluation of the impact of mass media on health habits (Oct. – Jan. 1992). |
| 1988 – 1989 | Lecturer in Food and Nutrition, Bahrain Hotel and Catering School, Bahrain (part-time), Oct. 1988 – May 1989. |
| Duties: | Taught nutrition for catering students and involved in preparing nutrition curriculum. Course includes management of nutritional problems in Bahrain, nutritive value of foodstuffs, effect of cooking on nutritive value, and basic nutrition. |
| 1974 – 1975 | Food Technologist in Directorate of Agriculture, Ministry of Commerce and Agriculture, Bahrain. (August 1974 – August 1975). |
| Duties: | Involved in agricultural research and agriculture census. |
| 1973 – 1974 | Chemical Analyst, Bahrain Aluminum Company (August 1973 – Jan. 1974). |
| Duties: | Analysed mineral composition of aluminum alloys. |