Who we are
The AO is a medically-guided, not-for-profit organization, a global network of surgeons, and the world's leading education, innovation, and research organization specializing in the surgical treatment of trauma and musculoskeletal disorders.
The AO story: transforming surgery—changing lives
The AO began with a problem: how to improve patient outcomes in the treatment of trauma and musculoskeletal disorders. Today, this remains the priority for everyone at and involved with the AO. The AO covers different specialist areas, brought together into one global community, one network, one powerhouse of excellence focused on improving patient care.
The AO is the premier innovator in the surgical treatment of bone fractures and disorders. Innovation at the AO goes from bench to bedside, including basic research, product development, clinical validation, and valorization.
Our global community
Today the AO has a global community of over 500,000 health-care professionals.
Each year the AO offers over 850 educational events around the world, supported by nearly 8,000 faculty and attended by over 70,000 participants.
The AO has over 20,000 surgeon members working in the fields of trauma, spine, craniomaxillofacial, veterinary, and reconstructive surgery.
AO Annual Report 2022
Learn how the AO emerged this past year with more agility, tools, and resources that enhanced our approach to education, research, and innovation.
Contact us
AO Center Davos
AO Foundation
Clavadelerstrasse 8
7270 Davos, Switzerland
Business hours:
Monday - Friday
8:00 - 12:00 and 13:00-17:00
Tel.: +41 81 414 21 11
Dübendorf office
AO Foundation
Stettbachstrasse 6
8600 Dübendorf, Switzerland
Business hours:
Monday - Friday
8:00 - 12:00 and 13:00-17:00
Tel.: +41 44 200 24 20
AO Research Institute
Clavadelerstrasse 8
7270 Davos, Switzerland
Tel.: +41 81 414 22 11
Find out more about the AO Research Institute Davos
AO Innovation Translation Center
Clavadelerstrasse 8
7270 Davos, Switzerland
Find out more about the AO Innovation Translation Center