Uzoamaka goes down in history as the first female Controller General of Immigration in Nigeria.
Nwizu started her career in immigration as a visa officer in 1974 and worked in various capacities in investigation and border areas. Nwizu was born September 21, 1949 in Ogbunike Local Government, Imo State. She began her education at the Christian Missionary School, CMS Primary School in Umudiako. From there she went to the Anglican Girls' Grammar School, Enugu. She attended the University of Hawaii, 1971-72, University of Vermont, 1972-74, where she earned a first class honours degree in geography. She received the outstanding student honour award of the department of geography. She also attended the University of Ibadan, 1992-94, where she obtained an MBA degree.
Nwizu died of leukaemia, cancer of the blood in 2004. She was 54.