Ms. Tobias is an assistant professor at Boston University School of Public Health. She also is director of the Health and Disability Working Group (HDWG), a research, technical assistance, and training collaborative whose purpose is to improve the delivery of health care, behavioral health care, and support services to people with disabilities and chronic illnesses. HDWG conducts policy research, program evaluation, and primary research among people with disabilities and providers. The group also promotes the exchange of ideas and dissemination of innovative practices through conferences, training programs, workshops, and publications. Ms. Tobias has a particular interest in managed care for special-needs populations and the linkages between physical health care, behavioral health care, and long-term supports. She is currently directing a five-year national study to evaluate the effectiveness of different outreach models in engaging and retaining individuals with HIV in medical care. She has a bachelor’s degree from Harvard University and a master’s degree from the Heller Graduate School of Social Welfare at Brandeis University.