He has given various courses in the stream. He is also supervising and monitoring several Ph.D.s and M.Sc. students in the areas of environmental biotechnology, wastewater treatment and water quality studies, waste to energy (resource recovery and climate change mitigation and adaptation studies), bioremediation, phytoremediation, microbial ecological studies, environmental sanitation. He has published several peer reviewed papers in different international reputable journals. Currently, he is also executive Director for Horn of Africa Regional Environmental Centre and Network (HOARECN).