Education Forum

Nominated by the Steering Board, this group consists of key opinion leaders in the field of joint preservation and replacement. With visionary thinking and a deep understanding of the global needs, they take strategic leadership for AO Recon's educational content.


Bas A Masri



Prof Bas Masri is Head of the Department of Orthopaedics at the University of British Columbia, and Head of the Department of Orthopaedics at Vancouver Acute (Vancouver General and University Hospitals). He is past president of the Canadian Orthopaedic Association, a fellow of the American Academy of Orthopaedic Surgeons, a fellow of the American Orthopaedic Association, as well as a member of the Knee Society and the Hip Society.

Past Chairperson:

Carsten F Perka

Charité Berlin


Carsten Perka is Chairman of the Orthopaedic Department and Director of the Center for Musculoskeletal Surgery at the Charité, University Medicine Berlin. He published more than 375 peer-reviewed papers and co-authored over 30 chapters in medical textbooks, including the comprehensive standard work "Periprosthetic Fracture Management". Perka is currently President of the German Association of Orthopaedics and Orthopaedic Surgery, Secretary General of the German Society for Endoprosthetics and Speaker of the German Endoprosthesis Register.

G Bonilla

Guillermo A Bonilla

Hospital Universitario Fundación Santa Fe de Bogotá


Guillermo Bonilla is a hip and knee arthroplasty surgeon, head of the hip division at the university hospital Fundación Santa Fe de Bogotá and clinical professor at Universidad de los Andes and Universidad del Rosario. He is past president of the Colombian Society of Hip and Knee Surgeons, and current member of the research committee of the American Association of Hip and Knee Surgeons. Dr. Bonilla is also a member of the editorial board of International Orthopaedics and reviewer for several journals.

David F Dalury

Towson Orthopaedic Associates


David Dalury is a Clinical Professor of Orthopedic Surgery at the University of Maryland and Chief of Orthopaedics at the University of Maryland St Joseph Hospital. He is a member of the Knee Society, the American Academy of Orthopaedic Surgery and the American Association of Hip and Knee Surgeons and the European Knee Society. He does editorial review for the Journal of Arthroplasty and the Journal of Bone and Joint Surgery.

Fares S Haddad

University College London Hospitals

United Kingdom

Fares Haddad is a hip and knee reconstructive surgeon and Professor of Orthopaedics and Sport Surgery at University College Hospitals and The Princess Grace Hospital in London, UK. He is Divisional Clinical Director of Surgical Specialties at UCH, Director of the Institute of Sport, Exercise and Health at University College London, past president of the British Hip Society and incoming president of the British Sports Trauma Association. He is also editor-in-chief of The Bone & Joint Journal.

Robert Hube



Robert Hube is a Professor of Orthopedic Surgery at the Charité Berlin and the Head of the Center of Joint Replacement of the OCM/SANA Campus in Munich where he specializes in minimal invasive surgery, both of the hip and knee, and revision surgery. He completed fellowships in Germany, South Africa and the US and is the current President of the German Knee Society. He is also involved in diverse European hip and knee societies and reviews for certain international orthopedic journals.

Simon Lambert


United Kingdom

Dr Lambert is Consultant Orthopaedic Surgeon at the University College London Hospital responsible for complex and revision reconstruction of difficult conditions of the shoulder and elbow. Simon has published over 100 peer-reviewed papers and 20 book chapters. Simon is Chairman of the UEGEC, founding Advisory Board member of the OSApp, Editorial Board member of the ICUC, and serves on the Editorial College of AO Surgery Reference. Simon has engaged with AO Global Data seeking improved ways of assessing functional decrements and achievements in response to intervention.

Steven MacDonald



Steven MacDonald is Professor and Chairman of Orthopaedic Surgery at the University of Western Ontario in London, Canada. He serves as Chairman of the Maurice E Muller Foundation, past President of the Knee Society and past President of the Canadian Arthroplasty Society. He is also a member of the Hip Society, the International Hip Society, AAOS and AAHKS.

Feras Ya’ish

Feras Ya’ish



Feras Ya'ish, an accomplished Trauma and Orthopaedics consultant at Healthpoint Hospital in Abu Dhabi, UAE, serves as Chairman of the peri-operative committee and was previously chair at Mafraq Hospital and Sheikh Shakhbout Medical Centre (Partnership with Mayo Clinic). Feras' clinical interests include Trauma Orthopaedics, Pelvic Trauma surgery, and Lower Limb Arthroplasty. Additionally, he is an Adjunct Associate-Professor at Khalifa University, Abu Dhabi, with a passion for surgeon education. Feras is a Fellow of the Royal College of Surgeons (Orth), Edinburgh.

Youn-Soo Park


South Korea

Youn-Soo Park is the Director of the Bone and Joint Center at the Samsung Medical Center in Seoul, Korea. He serves as Professor at the School of Medicine of the Sungkyunkwan University and is a consulting orthopedic surgeon at the National Police Hospital. He is a board member of the Korean Hip Society, the Korean Orthopedic Association, the CAOS Korea as well as the Secretary General of the Arthroplasty Society in Asia (ASIA).

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Steering Board

Approved by the AO Foundation Board, these five heavyweights represent the interests of AO Recon within the AO.

Curriculum Taskforces

Nominated by the Education Forum, these expert groups of arthroplasty surgeons develop educational content for AO Recon courses.


Selected by the Education Forum, these experts engage in AO Recon events to provide surgeons with excellent arthroplasty education.