Student, Park School, Johns Hopkins University, 1918. Postgraduate, Harvard Business School, 1920.
Director, secretary, treasurer Sonneborn Chemical and Refining Company (became part of Witco Chemical Company Inc., 1960), president, until 1960. President, director Petroleum Transport & Trading Corporation, Sonneborn Associates Petroleum Corporation, New York Post Corporation, Sonapco Bank St. Corporation Alliance Industrial Development Corporation, Alliance Industries Inc., Pan Alliance Corporation, Del Amkor Corporation, Ampak-American Israel Corporation, Israel Development Corporation, Israel American Indsl Development Bank Ltd., Palestine Economic Corporation, American Israeli Finance Сorporation. Chairman board American Palestine Trading corporation.
President Israel American Petroleum Corporation. Founder Material for Israel. Director American Committee for Weizmann Institute of Science, American Friends of Hebrew University, Council Jewish Federations & Welfare Funds.
Treasurer, director Breth Foundation, Bezalel Foundation. Director Hirschman Foundation, Post Found. National chairman United Jewish Appeal, 1950-1944.
Honorary co-chairman United Jewish Appeal Greater New York. Past president Oil Trades Association Incorporated, New York York.
Member National Petroleum Association (trustee), Pennsylvania Grade Crude Oil Association (director), American Petroleum Institute (past director), Advertising Club, Johns Hopkins Club, Pinnacle Club, Oil City Club, Twenty-Five Years of Petroleum industry, Harvard Business School Club, Young Men's Philanthropic League.
Married second. Dorothy Schiff, 1953.