A leading psychiatrist and internationally known expert on mental health service reform, founding member of the board of advisors of Mental Disability Rights International (MDRI), and former chief of service of the San Francisco General Hospital Department of Psychiatry, Robert L. Okin, MD discusses Silent Voices: People with Mental Disorders on the Street. Dr. Okin spent two years meeting and photographing homeless individuals with mental illness; Silent Voices is a book about hope, as well as a call to help the situation rather than ignore it and look away.