Dr. Walelegn Worku is a public health in PhD (2017) and Environmental Health BSC (2005). He wants to participate areas which require the application of Public health. He engaged himself in changing the attitude of the community towards the concepts and applications of Public health. Specially, his interest focus on infection Prevention, water quality, food quality, waste management and Environmental Impact assessment; through community service and research project activities. He has published more than 22 articles on scientific reputable peer reviewed journals. He has rich experience in the area of public health through different research projects. He served more than 15 years in University of Gondar in different academic position to associate professor of public Health. Currently he leads the department of Behavioral sciences and Environmental Health and give courses and advice masters students. He is also a research assistance and data analysis expert at Addis Continental Institute of Public Health.