COSM is a major national meeting for Otolaryngologists – head and neck surgeons. At COSM, each member society presents an educational scientific program, which features prominent speakers in their respective specialties. These sessions are attended by key practitioners within their field and by otolaryngology residents, medical students, and allied health.

COSM 2026, April 22-26, in Phoenix, Arizona, will offer a range of educational opportunities, including oral presentations, panels, fireside chats, keynote lectures, product demos, and posters. COSM Societies offer publishing opportunities in addition to awards and scholarships.

2026 Participating Societies:
American Academy of Facial Plastic and Reconstructive Surgery (AAFPRS)
American Broncho-Esophagological Association (ABEA)
American Laryngological Association (ALA)
American Neurotology Society (ANS)
American Otological Society (AOS)
American Rhinologic Society (ARS)
American Society of Pediatric Otolaryngology (ASPO)
The Triological Society (TRIO)

Follow @__COSM on Twitter for ongoing information!