Dechasa Adare Mengistu has worked as Assistant Professor at College of Health and Medical Science, Haramaya University, Ethiopia. He has been conducting research in Food Microbiology, Occupational Health and Safety, Food Safety, Environmental and Public Health, Water, Sanitation & Hygiene ( WASH), Global Health, Environmental Pollution and Health, Hazardous Waste Management, Infection Prevention and Control, Air Pollution and Human Health, Climate Change and Health, and related areas.