Diploma in Library. Science, Addis Ababa University, 1969. Bachelor in Management, Addis Ababa University, 1987. Certified in records management and retirement, East African Community Management Institute, Arusha, Tanzania, 1976.
Library. Misrak Comprehensive Secondary School, Addis Ababa, 1970-1976. Head legal deposit section Department The National Library and Archives, 1976-1980, head library division, since 1980.
Member Ehtiopian Library. Association (general secretary 1976-1978).
Married Seble Wongel, February 5, 1978. Children: Nebiyou Yonas, Michias Yonas, Ashenafi Yonas.