He holds a PhD in Public Health from Addis Ababa University, a double Masters Degrees in Demography and Populations studies from the University of Groningen (Netherlands) and Addis Ababa University. Before joining APHRC, Yohannes worked as Senior Advisor for Research and Evaluation at Ipas Ethiopia and as an assistant professor at Jimma University in South West Ethiopia.
Yohannes is driven by the motivation that research and evidence make a difference in promoting good health and wellbeing. His research interests include fertility and family planning, maternal and child health, comprehensive abortion care , socio-economic determinants of health, demographic transitions and youth transitions to adulthood.
Yohannes has authored many journal articles on maternal and child health, family planning, comprehensive abortion care and violence against women. He was a fellow of the African Doctoral Dissertation Research Fellowship (ADDRF) and a fellow of the PRB policy communication program during his PhD study. He is also a member of several professional associations including the International Union of the Scientific Study of Population (IUSSP), Ethiopian Public Health and Population Association of America.