Began practice of law, New York City, 1902. Member Cravath & Henderson, 1907-1917. Was special assistant to secretary of treasury in flotation of Liberty Loan, May 1917.
Assistant secretary of treasury, 1917-1920. Member Cravath, Henderson, Leffingwell & de Gersdorff, 1920-1923. Member J. P. Morgan & Company, 1923-1940.
Director and past chairman, J. P. Morgan & Company, Inc. Trustee, past chairman Carnegie Corporation Director, ex-chairman Council Foreign Relations. Honorary vice president Community Service Society.
Honorary trustee Yale Library Associates, New York School Social Work.