[3] Sabiiti was born in Mparo Parish, Rwamucucu Sub-county, Kabale District on 27 April 1947 in an Anglican family of the Bakiga.

Sabiiti further advanced to Makerere University where he had a failed bid at the guild presidency and graduated in 1973 with a Bachelor of Arts in Political science and Public administration.

During the Resistance War of the early 80s, he immigrated to Nairobi and worked as a part-time lecturer for human resource and finance management at the University of Nairobi (UoN) and as a finance and administration manager with C. A. Libirds & Associates, up until 1984 when he secured employment as a full-time lecturer at USIU Africa.

In 1985, Sabiiti served as the spokesperson for Uganda Freedom Movement (UFM) during the peace talks that led to the drafting of the 1985 Nairobi Agreement.

On losing his reelection bid in the 2006 general elections, Sabiiti was hired as a consultant for International Republican Institute (IRI) in 2007.

[9] In 2016, he lost in his reelection bid to Herbert Kabafunzaki and now works as a full-time lecturer at Kampala international University and among other assignments, serves as the current FDC treasurer for Kabale District.