Rwegasira, a former member of the National Assembly for Nkenge Constituency, served as Minister of Foreign Affairs from 1993 to 1995.
[1] He had also served as a Regional Commissioner for Dar es Salaam at one time.
[1] Rwegasira had served as Tanzania's Ambassador to neighboring Zambia.
[1][2] Rwegasira died at Muhimbili National Hospital (MNH) in Dar es Salaam, Tanzania, on March 4, 2016, at the age of 80.
[1][2] He was buried in his home village of Bugombe-Kanyigo, Misenyi District, Kagera Region, on March 8, 2016.