Apply for Membership

Join your colleagues and become part of the world's largest and most influential cardiothoracic surgical organization as a member of The Society of Thoracic Surgeons. STS provides outstanding opportunities for continuing medical education and networking in the field of cardiothoracic surgery.

Whether you're a cardiothoracic surgeon, resident, medical student, an allied health practitioner, or simply interested in the field of cardiothoracic surgery, there is an STS Membership category for you!


Active Membership

For surgeons certified in the United States and Canada in the field of cardiothoracic surgery.


International Membership

For surgeons who have achieved appropriate certification or recognition of their achievements in cardiothoracic surgery outside the United States or Canada.


Candidate Membership

For cardiothoracic surgery residents or trainees.


Pre-Candidate Membership

For medical students or general surgery residents.


Associate Membership for Physicians

For physicians who are not eligible for Active Membership or International Membership and who support and work directly with cardiothoracic surgeons.


Associate Membership for Non-Physicians

For non-physician health care professionals or anyone interested in cardiothoracic surgery.


Senior Membership

Any Active or International Member, upon reaching the age of 67 years, automatically becomes a Senior Member. In addition, any Active or International Member 61 years of age or older, upon the submission of a declaration of retirement from employment in the field of medicine, may become a Senior Member.

Please note: Applications are not available for this type of membership.


Honorary Membership

This category is for distinguished persons who have achieved prominence in the field of cardiothoracic surgery and who have contributed to its advancement.

Please note: Applications are not available for this type of membership.