sentences:  From 1973 to 1999 he was on staff at Earth House, a residential treatment center for young people diagnosed with schizophrenia and bipolar disorder in East Millstone, New Jersey, first as a yoga instructor and psychodrama facilitator, and later as the director of their "Earth Adventure" program, an early example of wilderness therapy in which a group of twenty to forty patients would be led on a camping expedition onto the Appalachian Trail, and perform a wilderness course including climbing, rappelling, and canoeing through rapids.From 1990 to the present, he has been on staff as the motivational speaker for the Northern California Service League, giving talks twice a month to ex-cons in San Quentin, the maximum security prison, San Bruno Jail, San Francisco Jail, and at the center.He urges them to "get a job, not do a job."