David J. Sugarbaker’s impact on the AATS, the AATS Foundation, and the field of cardiothoracic surgery is immeasurable. Through his service as AATS President, Treasurer, and Councilor, and long standing President of the Foundation, Dr. Sugarbaker personified the AATS’ core values. Thanks to his leadership and focused attention, he played a major role in transforming the Association into a contemporary, international, and philanthropic organization.