Most of this work was done at the University of California, San Francisco, Comprehensive Cancer Center where he was the only clinical psychologist for many years. In a number of cancer clinics, he was an integral part of the team and met with all new patients as a routine part of the program of care. He also worked with hundreds patients in in-depth psychotherapy and led ongoing support groups for patients with colon cancer, prostate cancer, melanoma, and for husbands whose wives had cancer. All told, he met with over 7,500 patients during his full time career. He now works part time with patients through the Sierra Nevada Comprehensive Cancer Center in Grass Valley, California.