Massimo Abela
President
Association of Orthopaedic & Trauma Surgeons of Malta

Max Aebi
Founder&Past President
European Spine Society
Editor in Chief
EuroSpine Journal

Saeed Ali Al Thani
President
Emirates Orthopaedic Society

Mohamed Albaqali
President
Bahrain Orthopedic Association

Todd J Albert
Past President
Cervial Spine Research Society

Waleed Aldoori
President
Iraqi Society for Orthopedic Doctors

Mauro  Alini
AO fundation
Head of Musculoskeletal Regeneration

Hazem M.Ishaq Al-Khawashki
Past-President
Saudi Arabian Orthopaedic Society(SOASSN)

Tamara Alliston
University of California San Francisco

John  Antoniou
President-Elect
Canadian Orthopaedic Research society

Bryan Ashman
Faculty
COA-AOSpine Instruct Course Lecture
Chairman
AOSpine Asia Pacific Board

Onder Aydingoz
President
Turkish Society of Orthopaedics & Traumatology (TSOT/TOTBID)

Hazem  Azeem
Trauma and Orthopaedic Surgery
Kasr El-Ainy
Cairo University Hospital
Egypt
Faculty
COA-AOTrauma Seminar

Thanos Badekas
Hon Treasurer
The European Foot And Ankle Society
Past President
The Greek Foot and Ankle Society

Judy Baumhauer
President
The American Orthopaedic Foot & Ankle Society（AOFAS）

Suthorn Bavonratanavech
President-elect
AO Foundation
Orthopaedics Center,Bangkok Hospital
Thailand
Faculty
COA-AOTrauma Seminar

Daniel John Berry
Immediate Past President
AAOS
Faculty
COA-AAOS Instruct Course Lecture

Lambisso Wamisho Biruk
President
Ethiopian Society of Orthopedics and Traumatology (ESOT)

Michael Blauth
Department of Trauma Surgery
Medical University Innsbruck
Austria
Faculty
COA-AOTrauma Instruct Course Lecture

Ashley Blom
Faculty
COA-IORS Instruct Course Lecture

Gordon William  Blunn
Faculty
COA-IORS Instruct Course Lecture

Mathias Bostrom
Surgeon-in-Chief-elect
Faculty
COA-HSS Instruct Course Lecture
COA-IORS Instruct Course Lecture
COA-CCJR Instruct Course Lecture

Warwick James Moody Bruce
Repatriation General Hospital, Concord Chairman Department of Orthopaedic Surgery

Richard Buckley
Department of Surgery
Division of Orthopedic Surgery
University of Calgary
Canada
Faculty
COA-AOTrauma Seminar

Nicolaas Cyrillus Budhiparama
President
Indonesian Hip & Knee Society (IHKS)

Marko Bumbasirevic
President
Serbian Orthopaedic Trauma Association

Cody Eric Bünger
President
SICOT Foundation
Past President
Nordic Orthopaedic Federation

Christopher Cain
Faculty
COA-AOSpine Instruct Course Lecture
Chariman
Education Committee of AoSpine Asia Pacific Board

Kai ming Chan
Past President
Chinese Speaking Orthopaedic Society (CSOS)
International Federation of Sports Medicine (FIMS) and Asia Pacific Orthopaedic Society for Sports Medicine (APOSSM)

Edmond Chao
President
BJED Consulting
Emeritus Board member
International Society of Limb Salvage(ISOLS)

Cheng-Fong Chen
Faculty
COA-CSOS Instruct Course Lecture

Chih-Hwa Chen
Incoming First Vice President
Asia-Pacific Knee, Arthroscopy, Sport Medicine Society (APKASS)
Executive Editor
Journal of Orthopaedic Surgery and Research(JOSR)

Di Chen
Faculty
COA-IORS Instruct Course Lecture

Ing-Ho Chen
Faculty
COA-CSOS Instruct Course Lecture

Qian  Chen
Faculty
COA-IORS Instruct Course Lecture

Tain-Hsiung Chen
Faculty
COA-CSOS Instruct Course Lecture

Yen-Jen Chen
Faculty
COA-CSOS Instruct Course Lecture

Cheng-Kung Cheng
President
Chinese Speaking Orthopedic Society

Jack Chun Yiu Cheng
Vice-Chancellor
The Chinese University of Hong Kong

Man Chee, Kenneth Cheung
President-Elect
Hong Kong College of Orthopaedic Surgeons

Peter Kwong Yuen Chiu
Faculty
COA-CSOS Instruct Course Lecture

David Choon
Fellow
Academy of Medicine Malaysia

Peter Choong
Vice President
Australian Orthopaedic Association

Thanainit Chotanaphuti
Pramongkutklao Hospital

Charoen Chotigavanich
President
Asia Pacific Orthopaedic Association(APOA)

Wui K Chung
Founding Chairman
Asia Pacific Arthroplasty Society(APAS)

Raymond Crowe
Consultant Orthopaedic Surgeon
Epworth Medical Centre, Richmond, Victoria
Faculty
COA-IORS Instruct Course Lecture

John M. Cuckler
Faculty
COA-CCJR Instruct Course Lecture

Leif  Dahlberg
Faculty
COA-IORS Instruct Course Lecture