In 1982, Sabiiti trained as a military officer in Libya during the Ugandan Bush War and over the years, he acquired various certifications that included among others, the following: a policies and management of state oil and mining industries certificate from Duke University in 1993; a project appraisals and analysis certificate from American University in 1994; a result oriented management certificate from Uganda Management Institute (UMI) in 1998; a procurement and financial management certificate from the Eastern and Southern African Management Institute (ESAMI) in 1999; a local government finance and management certificate from the Institute for Public-Private Partnerships (IP3) in 2003 and a local environmental management certificate from LIFE Academy in 2005.