About STS

Founded in 1964, The Society of Thoracic Surgeons is a not-for-profit organization representing more than 7,300 surgeons, researchers, and allied health care professionals worldwide who are dedicated to ensuring the best possible outcomes for surgeries of the heart, lung, and esophagus, as well as other surgical procedures within the chest.


Enhance the ability of cardiothoracic surgeons to provide the highest quality patient care through education, research, and advocacy


Improving the lives of patients with cardiothoracic diseases

Core Values

Quality, Innovation, Professionalism, Inclusiveness, Teamwork


STS has 60 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 Street, Floor 23
Chicago, IL 60611
Phone: (312) 202-5800
Fax: (312) 202-5801
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