Dave Hennen Morris graduated from New York Law School in 1901 and was admitted to the New York Bar. He served as Ambassador to Belgium from 1933 to 1937. He was one of the founders of the Automobile Club of America and in 1904 became one of it's first presidents. He was the President of the N.Y. Medical College & Hospital for Women; Chairman to the Executive Committee at N.Y. Orthopedic Dispensary; and President of the Board of Trustees at Barnard College.
He was the attorney for Lone Star and Crescent Oil Company of New Orleans, which at the time had made the largest contract for oil out of Texas with the United Gas Improvement Company of Philadelphia. He was also one of the attorneys for the New York and Port Chester Railroad Company, and manager of the Morris Park Racing Association. He was a lover of horse racing and bred horses; he also managed the Morris Park Racing Association. Morris was musically inclined and played the violin.
Ambassador, Belgium, Class of 1901, Automobile Club of America, Medical College & Hospital for Women, Orthopedic, Barnard College, Oil