Dr Olszyna received his medical degree from the University of Amsterdam in the Netherlands. He completed his advanced medical specialty training in internal medicine and infectious diseases at the Academic Medical Center in Amsterdam. In 2001, he was awarded a PhD in medicine from the University of Amsterdam.
Dr Olszyna has been working in the field of HIV for more than 10 years, both in clinical care of people living with HIV/AIDS as well as in teaching. His clinical interests beyond HIV/AIDS are viral hepatitis B and C with particular interest in HIV/hepatitis C co-infections.
Dr. Olszyna joined the Division of Infectious Diseases of the National University Hospital (NUH) in Singapore in 2008. He is one of the cofounders of the HIV service in NUH. Dr Olszyna serves as Program Director of the NUHS Advanced Internal Medicine Senior Residency and Associate Program Director of the NUHS Internal Medicine Residency.