Professor in Medicine Faculty of Medicine, University of Ruhuna Honorary Consultant Physician, Teaching Hospital Karapitiya Adjunct Professor of Global Health, Duke Global Health Institute, Duke University
Assistant Professor of Medicine Division of Infectious Diseases Assistant Research Professor, Global Health Adjunct Professor in Department of Medicine, Faculty of Medicine, University of Ruhuna
Executive Director Hubert-Yeargan Center for Global HealthProfessor, Medicine and Global HealthChief, Infectious Diseases Division, Durham VA Medical Center
Professor in Community Medicine Department of Community Medicine, Faculty of Medicine, University of Ruhuna Adjunct Professor of Global Health Institute, Duke Global Health Institute, Duke University
Head–Department of Microbiology MBBS(Ruhuna), Pg.Dip. Med. Micro.(Colombo), MD Medical Microbiology(Colombo). Senior Lecturer -Grade II and Head of the Department