Chief of Cardiac Surgery, Columbia Presbyterian,NY 1960-1990
Emeritus Professor of Surgery,Columbia Univ. P&S
Am Assoc. for Thoracic Surgery(Past President 1986)
Society of Thorcic Surgery
Member, Board of Thoracic Surgery,1969-1976
member,Residency Review Committee-thorcic surgery
American Surgical Assoc.
NY Thoracic Society (past president )
Alpha Omega Alpha