Dr. Jayaweera is a Professor of Clinical Medicine at the University of Miami. He is the contact PI for the NIH-sponsored Janssen COVID-19 vaccine study and Janssen COVID-19/ flu vaccine study, NIH-sponsored ACTIV-6 study, and other multiple industry-sponsored studies related to COVID-19. In addition, he is the PI of multiple trials associated with HIV cure and has completed several hepatitis C studies. Furthermore, he is an investigator in the NIH sponsored Miami Clinical and Translational Science Institute. He is a member of the Schiff Center for Liver Disease and Interdisciplinary Stem Cell Institute at the University of Miami. In addition, he heads a clinical research unit under the Research Deans's office for all investigators, at the Miller School of Medicine, as a shared resource. In the past, he has been the Executive Dean for Research, Senior Associate Dean for Research, and Associate vice Provost for Human Subject Protection at the University of Miami.