American Thoracic Society

Who They Are & What They Do

Founded in 1905, the American Thoracic Society (ATS) is the world’s leading medical society committed to advancing global respiratory health through collaboration, education, and advocacy. With over 16,000 members, ATS focuses on scientific discoveries, professional development, global health, and patient care transformation. Key activities include developing clinical practice guidelines, hosting the annual International Conference, publishing four peer-reviewed journals, advocating for better respiratory health worldwide, and providing extensive patient education and career development resources.