[3] Namusisi was born to the late Paul Mukasa, a farmer and fisherman and Miriam Nalunga on 19 January 1956.
In 1988, while working at Ngabo newspaper, Namusisi then covered the 1988 Olympics in Seoul as a sports journalist in addition to being the team's female chaperone[4] In 1986, Namusisi made a switch to political reporting and was assigned to the Parliament and State House.
[6] After resigning as a Presidential Advisor in 2003, Namusisi co-founded an orphanage with Manuel Pinto, Bright Kids Uganda[5][7] On 1st April 2023, Nalongo Victoria Namusisi received the African Humanitarian Award at the African Heritage Concert and Awards in Kigali Rwanda.
[3] Later on in May 2019, she received an Honorary Degree of Doctor of Humane Letters at Carlow University, Pittsburgh, Pennsylvania, which according to her organization's website was in "recognition of her humanitarian work with the vulnerable people in Uganda".
[8] Namusisi was married to the former General Secretary of the National Council of Sports, Martin Okoth, until 1984 when they separated.