Scientific Advisory Board

Dr. Lonner is a member of the Rothman Institute and Associate Professor of Orthopaedic Surgery at Thomas Jefferson University, based in Philadelphia, PA. He was previously the Director of Knee Replacement Surgery, the Total Joint Arthroplasty Fellowship and Orthopaedic Research at Pennsylvania Hospital. His areas of expertise include partial and total knee replacement surgery, and as one of the first surgeons in the United States to use robotic technology for unicompartmental and bicompartmental knee replacement surgery, he has been a key innovator in this area.

Dr. Lonner belongs to many professional associations including the American Academy of Orthopaedic Surgeons, the American Association of Hip and Knee Surgeons, and the Pennsylvania Orthopaedic Society. He currently serves on the Governing Boards of The Knee Society and the Philadelphia Orthopaedic Society, serving as the President of the latter in 2010-2011. He has authored nearly 200 peer-reviewed scientific publications and chapters, and published several prominent textbooks on knee replacement surgery. He serves on the editorial boards of several Orthopaedic journals, such as Journal of Arthroplasty, American Journal of Orthopedics, Seminars in Arthroplasty, and was former Editor-in-Chief of Techniques in Knee Surgery. He is a co-designer of several innovative partial and total knee replacements. Dr. Lonner has been the recipient of numerous citations and awards for his clinical, research and educational work.

He earned his Medical Degree from Boston University School of Medicine and completed his Orthopaedic Surgical Residency at the Hospital for Joint Diseases in New York, NY. He earned his Knee Arthroplasty/Reconstruction Fellowship at Massachusetts General Hospital/Harvard Medical School and New England Baptist Hospital in Boston, MA.

Professor Johan Bellemans is professor of orthopaedic surgery at the Catholic University Leuven, Belgium, and chairman of the Department of Orthopaedic Surgery and Traumatology at the Catholic University Hospitals Leuven and Pellenberg, Belgium. His practice is exclusively dedicated to knee and sports-related pathology.

Professor Bellemans has been involved in the development of several innovations in the field of knee arthroplasty, ligament surgery, and arthroscopy. He has published 130+ peer-reviewed papers and has lectured over the whole world.

Professor Bellemans is founding president of the Belgian Knee Society and member of the American Knee Society.

Dr. Brian Hamlin is a board-certified orthopaedic surgeon and Associate Director of the Bone and Joint Center of Magee-Womens Hospital of UPMC. He specializes in the treatment of diseases of the hip and knee. Dr. Hamlin has a developed expertise in the use of computer-assisted surgical systems, and advanced robotic surgical systems for treatment of unicompartmental knee replacement.

Dr. Hamlin has published and presented numerous research projects in relation to the advancement of knowledge in the field of joint replacement, including examination of new technologies, minimally invasive procedures, and long-term survivorship of implants. He has been recognized nationally as a Leadership Fellow with the American Academy of Orthopaedic Surgeons and is a member of the American Orthopaedic Association.

A graduate of Washington & Jefferson College, and the University of Texas-Southwestern Medical Center at Dallas, Dr. Hamlin completed his internship and residency training in orthopaedic surgery at the Mayo Clinic in Rochester, MN. After his military obligation, he pursued a fellowship in Adult Reconstruction at Virginia Commonwealth University School of Medicine. He is a Fellow of the American Academy of Orthopaedic Surgeons and a member of American Association of Hip and Knee Surgeons.

The basic research of Dr. Picard and his colleagues at the University of Grenoble in the nineties have been the fundamentals for the technical constructions of the first routine CT-free knee navigation system for Total Knee Arthroplasty. His original research and contributions have placed him at the top of the international community of researchers in the area of Computer Assisted Surgery (CAS). He has been recognized as a “Lead User Developer of Radical Innovation in the Field of Medical Equipment Technology.” He also initiated one of the first books on computer-assisted knee orthopaedic surgery, Computer Robotic Assisted Hip and Knee Surgery (Oxford University Press).

Mr. Frédéric Picard received his Doctor of Medicine and Master’s degrees from Grenoble University in France. From 1999 to 2001, he worked successively with Dr. David Stulberg, Chicago (NWU), and Dr. Tony DiGioia, in Pittsburgh (CMU/UPMC), implementing new applications in the field of CAS. He is a Consultant Orthopaedic Surgeon and Director of Orthopaedic Research at the Golden Jubilee National Hospital in Glasgow (Scotland), a major arthroplasty center in the United Kingdom. Member of several national and international orthopaedic societies, Dr. Picard received the 2009 Maurice E. Müller Award for Excellence in Computer Assisted Surgery, the highest recognition in Computer Assisted Surgery, Boston, MA (USA).

Dr. S. David Stulberg is a Board Certified orthopaedic surgeon, concentrating in total joint replacement of the knee and hip. He is on staff at Northwestern Memorial Hospital and the Rehabilitation Institute of Chicago and is the Director and Founder of the Joint Reconstruction and Implantation Service at Northwestern Memorial Hospital. He is also on staff at Rush North Shore Medical Center.

In addition to his clinical work, Dr. Stulberg is a Professor of Clinical Orthopaedic Surgery at Northwestern University’s Feinberg School of Medicine and is an award-winning researcher and biomedical inventor who holds several patents on surgical instruments. His honors include the Maurice E. Muller Award for Excellence and Lifetime Achievement in Computer Assisted Surgery.

He is a member of the Hip Society and the Knee Societies of America, a co-founder of the International Society for Technology in Arthroplasty, a founding member of the International Society for Computer Assisted Orthopaedic Surgery, a fellow of the American Academy of Orthopaedic Surgery, and a member of the Board of Directors of Rehabilitation Institute of Chicago.

He earned his medical degree from the University of Michigan School of Medicine and completed his residency at the Harvard Combined Orthopaedic Residency Program, completing several fellowships in the areas of both orthopaedics and biomechanics.

Dr. Jonathan Deland earned his Bachelor of Arts degree magna cum laude from Harvard College in Cambridge, Massachusetts, and his medical degree from Columbia University College of Physicians and Surgeons in New York City. He went on to a General Surgical Residency at St. Luke’s – Roosevelt Hospital Center in New York, and a Harvard Combined Orthopaedic Residency at Massachusetts General Hospital, Children’s Hospital Medical Center, Beth Israel Hospital and Brigham and Women’s Hospital in Boston. Dr. Deland was selected as Chief Resident in Orthopaedics at Massachusetts General Hospital. Dr. Deland completed a Biomechanics Fellowship at Brigham and Women’s Hospital; an AO Fellowship in Berne, Switzerland and Seattle, Washington; a Sports Medicine Fellowship at Massachusetts General Hospital; and a Foot and Ankle Fellowship at St. Luke’s – Roosevelt Hospital.

An active researcher, Dr. Deland’s major field of study is Posterior Tibial Tendon Dysfunction or Flatfoot Deformity. His additional interests are concentrated on Osteochondral and Arthritic lesions of the ankle, hindfoot and Achilles tendon problems and forefoot problems such as bunions, neuromas and lesser toe deformities. Dr. Deland currently serves as a medical consultant for Arthrex, Integra, Tornier, Zimmer, and Blue Belt Technologies.

Dr. Coleman is a Board Certified orthopedic surgeon specializing in hip preservation and sports medicine. Dr. Coleman earned a medical degree from Columbia College of Physicians and Surgeons and holds a D. Phil in Microbiology from Oxford University, England. Dr. Coleman completed both his residency in Orthopedic Surgery and a fellowship in Sports Medicine at the Hospital for Special Surgery in New York City. During his fellowship, Dr. Coleman worked as an assistant physician for the New York Giants football team. Dr. Coleman is currently the Head Team Physician for the New York Mets Baseball team.

Dr. Coleman focuses on the management of sports related injuries of the hip, knee and shoulder. Dr. Coleman has a particular interest in hip arthroscopy and hip preservation surgery and has treated many high level athletes with hip problems. Dr. Coleman has published numerous articles and written chapters related to the field of sports medicine and hip arthroscopy and has been awarded two United States Patents for devices developed to enhance arthroscopic procedures. Dr. Coleman currently serves as a medical consultant for Pivot, Stryker and Blue Belt Technologies.

Professor David Barrett qualified in 1983 from St Bartholomew’s Medical College and subsequently undertook his orthopaedic training in London, Reading and Oxford, and completed his fellowship in Knee Surgery at Harvard Medical School in 1991. For his work in knee surgery, he has been awarded the Arris and Gale Lectureship by the Royal College of Surgeons in 1993, the President’s Medal of the British Association for Surgery of the Knee and was elected to the American, British and Canadian Travelling Fellowship by the British Orthopaedic Association in 1994. For over 16 years Professor Barrett has built clinical unit specializing in knee surgery, and has developed surgical techniques to maximize the functionality of knee joint replacements and computerized navigation in operative knee surgery.

Professor Barrett is currently a Consultant Orthopaedic Surgeon specializing in knee surgery and practices at Southampton University Hospital, with clinics at the Spire Hospital in Southampton and at the Wessex Nuffield.

Dr. Raul Marquez received his M.D. in medicine at the University of La Salle and completed his internship at the American British Cowdray Hospital, Mexico City, in 1978. He finished his Fellowship in Orthopaedic Surgery/Spinal Cord Monitoring at the University of Ottawa in Canada and completed his residency training in Orthopedic Surgery at the University of Toronto, Canada in 1986. His main clinical interests are in sports medicine and in the reconstruction of joints and. Currently, he serves as an international instructor (USA, Germany, and Latin America) for the use of computer-aided technology and is working with reputable orthopedic engineers improving and modifying navigation techniques. The new technological devices improve clinical outcomes and provide a higher level of accuracy and safety.

Dr. Robert Buly earned his medical degree from Weill Cornell Medical College in New York City and completed his residency at HSS. His additional training includes a fellowship in hip reconstruction surgery in Switzerland and a total joint replacement and adult reconstructive surgery fellowship at Case Western Reserve University School of Medicine in Cleveland. Dr. Buly serves in both the Surgical Arthritis Service and the Center for Hip Pain and Preservation at the Hospital for Special Surgery. He specializes in joint-preserving surgeries for both hip and knee – including arthroscopies and osteotomies to correct anatomical problems like dysplasia and impingement that impair movement, cause pain and ultimately lead to arthritis. Dr. Buly has pioneered novel techniques to treat hip impingement arthroscopically, rather than through conventional open procedures. During his career, Dr. Buly has been at the forefront of performing arthroscopic surgery for hip impingement and works with bioengineers to design custom implants for unique conditions.


David Murray is a Professor of Orthopaedic Surgery at the University of Oxford, and a Consultant Orthopaedic Surgeon at the Nuffield Orthopaedic Centre NHS Trust, Oxford. He initially read Engineering at the University of Cambridge (where he was awarded the Wright Prize for Engineering), but subsequently changed to Medicine and trained at the Universities of Cambridge, London and Oxford. He is a Fellow of the Royal College of Surgeons of England and has a doctorate from the University of Cambridge.

Professor Murray specializes in hip and knee surgery, and has an international reputation for clinical, research and development work in this field. Professor Murray and his group have made major contributions in the field of hip resurfacing, total hip and total knee replacement and revision surgery. The group is also carrying out pioneering work in the treatment of pain and early arthritis in the hip and knee as well as soft tissue injury.

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