On completing the Master of Clinical Pharmacy (Monash University) in 2008, John Coutsouvelis took on the position of senior clinical pharmacist in oncology and haematology at the Alfred Hospital in Melbourne. His responsibilities include overseeing the provision of clinical pharmacy services to the medical oncology, radiotherapy, clinical haematology and bone marrow transplant units. In 2009, John was appointed as a senior clinical lecturer (adjunct) for Monash University, co-ordinating and contributing to various graduate programs offered from within the Faculty of Pharmacy and Pharmaceutical Sciences. In November 2022, John completed his PhD evaluating the use of supportive care medicines in cancer treatment.