Associate Professor of Organic Chemistry, Ph.D. (University of Oxford, UK, 1981). Fellow of Uppsala University, Sweden (1983), Fellow of Lund Institute of Technology, Sweden (1985), Fellow of Royal Institute of Technology, Stockholm, Sweden (1986). Head Department of Applied Science & Chemical Technology, University of Gezira, Sudan(1982),Dean of College of Science and Technology, University of Gezira, Sudan(1990), Head of Department of Applied Sciences, College of Technology, University of Qatar (1993) Supervised seven M.Sc. students and one Ph.D. Student and acted as External Examiner for five M.Sc. Students and two Ph.D. students(University of Khartoum). Dr. Taha has participated in twelve International Scientific meetings and conferences in Europe and USA and published twenty four papers and conference proceedings. Dr Taha is a member of American Chemical Society (ACS), International Society of Medicinal Plants (GA) and and the American Society of Pharmacognosy (ASP). He is also a member of Safety Committee and Analytical Services Laboratory (ASL), UOB and a consultant for UNIDO (OD solvents). Dr Taha Organized Symposia, Workshops and Delivered lectures and Training Sessions in the Areas of Laboratory and Industrial Safety ,Ozone None- Depleting Solvents, Spectroscopy, Green Chemistry, Natural