Alexandre Lyambabaje is a Rwandan mathematician, academician and politician. From February 2021 to May 2022, Prof. Lyambabaje served as vice-chancellor of the University of Rwanda.Prior to becoming vice chancellor, Prof. Lyambabaje was the secretary of Inter University Council of East Africa. Prof. Lyambabaje has also held various governmental positions, including minister of commerce and tourism, and serving as the permanent secretary to the minister of education.
Lyambabaje has held different top positions in the Rwanda Government. From 1999 to 2000, he was the Permanent Secretary in the Ministry of Education. From 2000 to 2003, he served as Minister of Commerce, Tourism Industry, Investments Promotion and Cooperatives. From 2014 to 2016, Lyambabaje served as a University researcher and lecturer at the University of Rwanda College of Medicine and Health Science.