Stephen I. Pelton, MD is Professor of Pediatrics and Epidemiology at the Boston University Schools of Medicine and Public Health, and Director of Pediatrics Infectious Diseases at Boston Medical Center. He is coordinator of the Maternal Child HIV programme at Boston Medical Center, part of a nationwide network of clinical care sites and NIH-funded research sites, and is involved in patient care, research and mentoring.

Dr. Pelton's interests focus on the epidemiology of invasive pneumococcal and meningococcal disease, and the pathogenesis and prevention of respiratory disease, specifically otitis media and pneumonia, due to non-typable Haemophilus influenzae and Streptococcus pneumoniae. He is an active investigator in the impact of PCV on pneumococcal ecology in the pediatric population. He is also active in clinical trials for new approaches in the treatment and prevention of HIV including immune reconstitution and immunogenicity of vaccines in HIV infected children.

Dr. Pelton is an active member of the American Academy of Pediatrics, the Pediatric Infectious Diseases Society, and the Infectious Diseases Society of America. He has published on a broad array of topics including epidemiology of invasive pneumococcal and meningococcal infections, changing patterns of nasopharyngeal colonization, and pathogenesis and prevention of otitis media.