S. Bryn Austin, ScD, is Director of Fellowship Research Training in the Division of Adolescent and Young Adult Medicine at Children痴 Hospital in Boston. She is also Assistant Professor in Pediatrics at Harvard Medical School and Assistant Professor in Society, Human Development and Health at the Harvard School of Public Health. With expertise in the behavioral sciences and social epidemiology, her research includes examination of social and physical environmental influences on cancer risk behaviors in adolescents and young adults. Her areas of specialization include overweight, disordered weight control behaviors, tobacco and alcohol use, and other behaviors in adolescents and young adults with consequences for cancer and chronic disease risk. Much of her work relates to health disparities, particularly sexual orientation group disparities in health exposures and outcomes. She has been the PI of a number of funded grants to study the distribution and determinants of sexual orientation group disparities in health, including grants from the American Cancer Society (釘reast and Colon Cancer in Lesbian and Bisexual Women: A Prospective StudyRSGT-07-172-01-CPPB) and the National Institute for Child Health and Human Development (鉄exual Orientation and Health Disparities in AdolescenceR01 HD045763).