Background
Sonnenborn, Donald E. was born on March 18, 1944 in New York, New York, United States.
Sonnenborn, Donald E. was born on March 18, 1944 in New York, New York, United States.
Haverford College (Bachelor of Arts, 1966). Columbia University (Juris Doctor, Master of Business Administration, 1970).
Worked at Kronish, Lieb, Weiner & Hellman LLP. Admitted to the bar, 1970, New York. Phi Beta Kappa. James Kent Scholar.
Member: The Association of the Bar of the City of New York. New York State (Member, Committee on International Law, 1981-1983) and American Bar Associations.
Member: The Association of the Bar of the City of New York. New York State (Member, Committee on International Law, 1981-1983) and American Bar Associations.