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Membership Overview

To ensure that the AATS builds upon its core values, aspiring members must be nominated by Active, Honorary, or Senior members of the Association to complete the application process and be evaluated by the Membership Committee.

Application Process

Application Process

The application process begins with a nomination by an Association Member. Candidates must complete their application and obtain a letter of support and candidate evaluations from three sponsors.

Application Process
Sponsorship Guidelines

Sponsorship Guidelines

Each nomiation requires evaluations be filled out by two AATS members as sponsors in addition to the Nominator Letter of Support.

Sponsorship Guidelines
Membership Committee

Membership Committee

Analyzes the qualifications for membership, reviews all completed applications, and recommends candidates for membership to the Board.

Membership Committee

Founded in 1917, the American Association for Thoracic Surgery (AATS), is comprised of more than 1,500 of the world’s foremost cardiothoracic surgeons from 46 countries.

AATS members have a proven record of distinction within the specialty and have made significant contributions to the care and treatment of cardiothoracic disease throughout the world.

New Members

Countries with AATS Members:

Member DIrectory

Senior Membership

Members are moved to Senior Membership at the age of 70. For those who are not 70, but have retired, you can request Senior Membership status. Senior members do not pay annual dues and can subscribe to Journals at member discount rates.

To request Senior Membership please download the request form below and send it to AATS Membership Specialist, Cole Garrison, at

Senior Member Form

AATS Member Spotlight

This weeks featured member spotlight is:

Gregory Trachiotis, MD

Veterans Affairs

Adult Cardiac

Member Since: 2007

Read More

Core Values

  • Leadership: Demonstrating citizenship, integrity, and professionalism
  • Excellence in Patient Care: Dedicating ourselves to the care of thoracic and cardiovascular patients
  • Research and Innovation: Advancing the field through the creation and application of new knowledge
  • Education: Disseminating knowledge and commitment to lifelong learning
  • Mentoring: Fostering the next generation of healthcare specialists for thoracic and cardiovascular patients