Marcus Pereira, MD, is an Associate Professor of Medicine at CUMC and the Director of Clinical Services in the Division of Infectious Diseases. In addition, he is the Medical Director of the Transplant Infectious Diseases Program, where he oversees the development of infection prophylaxis and treatment protocols for immunocompromised patients. His areas of interest include the management of multi-drug resistant bacterial and fungal infections, as well as drug resistant CMV infections and more recently the impact of COVID-19 in transplant recipients. He has also collaborated in important multi-center studies as well as the 2025 International CMV Guidelines, sponsored by the Transplantation Society. Dr. Pereira is an active member in national societies such as the American Society of Transplantation and Infectious Disease Society of America, and is an Associate Editor for the American Journal of Transplantation.