Basoeki Koesasi joined Monash University in 1974 as a tutor. In 2009, he was appointed by the Vice Chancellor as the first Director of Indonesia Engagement. He then became the Head of the Indonesian Studies program initiating the collaboration among various universities in Indonesia, primarily the top ranking private and Islamic universities.
Over the years, Bas developed a strong network in Indonesia, both nationally and regionally, that includes key Indonesian bureaucrats and community leaders.
Bas was pivotal in the establishment of Australian studies in Indonesia and later assisted in the creation of a number of Australian studies centres in many Indonesian universities.