Mwanza retired from the UN in 1996 , and assisted in establishing Mzuzu University .
In 1979 , Mwanza joined the United Nations as Director of Natural Resources , Environment and Science and Technology Division of the United Nations Economic Commission for Africa .
Mwanza retired from the United Nations in 1996 , and assisted in establishing Mzuzu University .
In 1979 , Mwanza joined the United Nations as Director of Natural Resources , Environment and Science and Technology Division of the United Nations Economic Commission for Africa .