Career
John was married to Sarah Streltzer, and established a wholesale office supply business in the Denver area. During his third term, President John Kennedy appointed John the Director of Customs for Colorado and Wyoming, a position he held until 1969. John then became Vice President of Public Relations at Metrobank.
John also served as the President of the Ex-Patients Sanatorium (also known as the Ex-Patients Tubercular Home) in Denver, as well as the National Mental Health Center, a Jewish-sponsored mental health hospital which utilized the facilities of the Ex-Patients Sanatorium to provide free treatment and rehabilitation for needy patients with tuberculosis and other chronic diseases and to provide free psychiatric treatment to mentally ill patients.
The National Mental Health Center and Ex-Patients Sanatorium were predecessor institutions to the modern, non-sectarian National Jewish Health, an academic medical research facility located in Denver specializing in respiratory, cardiac, immune and allergic disorders. Throughout his life John was involved in many Jewish, general, and medical causes, including Ex-Patient"s Tubercular Home, Israel Bonds, B"nai B"rith, Kiwanis, March of Dimes, Administrative Management College Cancer Research Center (JCRS), Red Cross, United Way, and Allied Jewish Welfare Fund.