Judith Cook is an internationally recognized authority on mental health services research, specifically the study of clinical and rehabilitation outcomes community-based care. She directs a federally funded research center focused on intervention science and psychiatric epidemiology. Cook designs and implements innovative programs to enhance health and behavioral health of vulnerable populations. She works with federal, state and local authorities on behavioral health service system redesign and alternative financing strategies. Her recent focus is on randomized controlled trials of evidence-based practice treatments for serious mental illness and outcomes of individuals with co-occurring mental illness and chronic medical conditions. She is currently the Principal Investigator for the first national study of the prevalence of psychiatric and substance use disorders among women living with HIV/AIDS. Cook received her PhD in Sociology from Ohio State University, completed an NIMH-funded post-doctoral fellowship at the University of Chicago, was Director of Research at Thresholds Psychiatric Rehabilitation Programs, and is now professor of psychiatry at the University of Illinois at Chicago.