Founded in 1964, The Society of Thoracic Surgeons is a not-for-profit organization representing more than 7,600 surgeons, researchers, and allied health care professionals worldwide who are dedicated to ensuring the best possible outcomes for surgeries of the heart, lungs, and esophagus, as well as other surgical procedures within the chest.
Advance cardiothoracic surgeons' delivery of the highest quality patient care through collaboration, education, research, and advocacy
Improving the lives of patients with cardiothoracic diseases
Diversity, Equity, and Inclusion
STS has approximately 80 employees and is headquartered in Chicago, with an additional office in Washington, DC.
STS Fact Sheet
View the STS Fact Sheet, a high-level overview of the Society, its members, and activities.
Contact the Society
The Society of Thoracic Surgeons
633 N Saint Clair St, Suite 2100
Chicago, IL 60611
STS Government Relations
20 F St NW, Suite 310 C
Washington, DC 20001-1230