Mr. Gregory worked in New York City as a psychiatric social worker for more than 35 years. This included many years working with the severely mentally ill in hospital, residential and shelter settings; most of this work also included treating and managing the complications of concurrent substance abuse. Several years working with latency aged boys in a residential treatment center helped reinforce for him the overwhelming importance of timely care for people whose painfully deprived life circumstances render them at great risk for severe emotional difficulties, mental illness, substance use, incarceration and homelessness.