In 1985, Professor Lwakabamba joined the UN- sponsored African regional centre for engineering design and manufacturing (ARCEDEM) based in Nigeria as a founding director of training and extension services. As founding rector of the Kigali institute of science technology and management science, (1997), He is now in a still more challenging pioneering role. Professor Lwakabamba is a member of several boards and committees, National. Sub-regional and international. He is particularly proud to have participated in the setting up of African network of scientific and technological institutions (ANSTI) under UNESCO, and especially, the setting up of the sub networks on water resources engineering, Mechanical/ Production Engineering/ Power (1976-1986). Professor Silas Lwakabamba is currently president of the institute of engineers of Rwanda and he is chairman of the board of Directors of parasitical telephone company. He is also a member of various national commissions and steering committees on economic affairs, information and communication technology, human resource development and higher education. He has some thirty publications to his name. He is married with four children.