Adugna Tolera is Professor of Animal Nutrition at Hawassa University. He served as Associate Vice President for Research and Extension; Coordinator of Continuing Education Program and as Head of the Animal Science Department at Hawassa University. He also served Texas A&M University as Livestock Production Specialist for the Ethiopia Sanitary & Phytosanitary Standards and Livestock & Meat Marketing Program. He provides consultancy services to various organizations and has published extensively.