He is involved in several United Nations and international projects and mechanisms concerning disaster risk reduction. Total of more than 18 years of progressively responsible experience in the field of environmental sciences, 12 of which on the international platform on issues of development in developing and developed countries with focus on natural resources management (water and environment) and disaster risk reduction. Ten years working at an International Organization (UNESCO), eight years of experience in the field of bioremediation of hazardous chemicals and three years in municipal water and wastewater purification. Experience includes representing UNESCO’s Natural Science sector at Windhoek Cluster Office, at Addis Ababa Liaison Office, university lecturing, the design and execution of innovative bench-scale treatment systems and mathematical model developments for further scale-up purposes as well as in-situ testing for verification.