Professor Andreas B. Imhoff, MD, graduated from Basel University in 1980. He started his residency in General Surgery and Traumatology in Davos, Switzerland, under the guidance of Professor Peter Matter, and in General Surgery, Traumatology, and Knee Surgery at the University Hospital Bruderholz-Basel under the guidance of Professor Werner Müller and Professor Peter Waibel in 1982. He completed his Orthopedic Residency at the Balgrist University Hospital, University of Zurich, under the direction of Professor Adam Schreiber, Professor Hans Zollinger, and Professor Christian Gerber between 1983 and 1996, after 1987 as head of different departments for knee, shoulder, and sports medicine. A one-year exchange fellowship brought him to the department of orthopedic surgery in the Center of Sports Medicine at the University of Pittsburgh, PA, USA, under the direction of Professor Freddie Fu, Professor Jon J.P. Warner, and Professor Chris Harner, but also at the Musculoskeletal Research Center, University of Pittsburgh under the direction of Professor Savio L.-Y. Woo between 1994 and 1995.

He was elected as a Professor of Orthopedic Surgery and Arthroscopy at the faculty Medical School and faculty School of Sport Science and Health, Technical University Munich, to serve as director and chairman of the Department of Orthopedic Sports Medicine from 1996.

Professor Imhoff is an active member of the AGA (German Society of Arthroscopy and Joint Surgery) which currently has 4500 members. He was a founder in 1983, congress chairman 1999, president 2000–۲۰۰۳, general secretary, and is now still a member of the executive board. He is again congress chairman in 2017.

He has been on the board of directors of the DGOOC (German Society of Orthopaedics), DGOU (German Society of Orthopaedics and Traumatology) since 1996. He is also member of ISAKOS (International Society of Arthroscopy, Knee Surgery, and Orthopedic Sports Medicine), started as a founding member of the IAA/ISK in October 1994, and has been a member of the board and different committees since 1996. He has also been chairman of the ISAKOS shoulder committee since 2015. He was awarded as Corresponding member by the ASES (American Shoulder and Elbow Society) in 2004, where he is actually working in the program committee and the research committee. He is a member of several societies, including the SGO (Swiss Society for Orthopaedics), ESSKA (European Society of Sports Traumatology, Knee Surgery, and Arthroscopy), SECEC (European Society for Surgery of the Shoulder and the Elbow), AOSSM (American Orthopedic Society for Sports Medicine), DVSE (German Society for Shoulder and Elbow), DGU (German Society for Traumatology), SICOT (Société Internationale de Chirurgie Orthopédique et de Traumatologie), and has been a member of the board of AFOR (Association of Orthopedic Research) since 2010, and of DKG (German Knee Society) since 2012.

Professor Imhoff has received many awards from different countries all over the world since 1999, and he has edited 34 books and published over 365 journal articles, cited in Pubmed. He was awarded and listed by the FOCUS company every year since 2010. As one of the Top Surgeons in Shoulder, Knee and Sportsorthopaedics in Germany.

He has been an honorary member of the AANA (Arthroscopy Association of North America) since 2004, Miembro Honorario of the Sociedad Argentina de Cirurgia de Hombro y Codo since 2006, he received the Malaysian Federal Honorary Award in 2010, has been an honorary member of AGA since 2013, and an honorary member of IAS (Indian Arthroscopic Society) since 2014.

Professor Imhoff serves as an editor of journals including Arthroscopy, Operative Orthopaedics and Traumatology, Journal of Shoulder and Elbow Surgery, Knee Surgery, Sports Traumatology, Arthroscopy (KSSTA), American Journal of Sports Medicine (AJSM) and the Open Access Journal of Sports Medicine as Editor-in-Chief.

Jonathan B. Ticker, MD, is an Assistant Clinical Professor of Orthopaedic Surgery at the College of Physicians and Surgeons of Columbia University, New York. Dr. Ticker is Chair of the Board of Trustees of the American Shoulder & Elbow Surgeons Foundation, and is a past member of the Executive Committee of ASES. He has been Co-Chair of the Industry and

Program Committees for ASES, as well as Chair of the Research Committee for the Arthroscopy Association of North America. His academic endeavors have included research on the shoulder in basic science and clinical subjects. These interests have resulted in numerous peer-reviewed journal publications, as well as book chapters. In addition, Dr. Ticker has co-edited two shoulder texts: An Atlas of Shoulder Surgery and An Atlas of Shoulder Arthroscopy, along with Freddie Fu and Andreas Imhoff. He edited American Shoulder & Elbow Surgeons 25th Anniversary, a book devoted to the history of this Society. His emphasis on education includes instructing at international, national, regional, and local meetings and courses, with didactic and technique-oriented efforts, as well as orthopedic residency training at Northwell Health’s Long Island Jewish Medical Center. Dr. Ticker is in private practice on Long Island, New York, with Orlin & Cohen Orthopaedic Group. His clinical and operative practice is exclusive to the shoulder (www.LIshoulder.com). He has been married for over 30 years, with two wonderful children.

Professor Augustus D. Mazzocca, MS, MD, is the Director of the University of Connecticut Department of Orthopaedic Surgery, Farmington, Connecticut, USA. He is the Director of the University of Connecticut Human Soft Tissue Research Laboratory, which consists of integrated translational laboratories incorporating cell and molecular biology, histology, biomechanics, and clinical outcomes research. He is also the Director of the University of Connecticut Bioskills Laboratory and holds the Harry and Helen Gray, Harry R. Gossling, MD Chair in Orthopaedic Surgery. Professor Mazzocca also holds a joint faculty appointment at the University of Hartford in the Department of Civil, Environmental, and Biomedical Engineering, College of Engineering Technology and Architecture.

International collaboration in both education and research is a top priority for Professor Mazzocca bridging six countries, including Brazil, Japan, Austria, Germany, Italy, and France and five of the seven continents. He has had several international sports medicine research fellows in his laboratories, and he is internationally renowned for his work in the following areas: biceps tenodesis, distal biceps for the elbow, anatomic coracoclavicular reconstruction for the treatment of chronic acromioclavicular separation, and biologic augmentation of failed rotator cuff repair using concentrated bone marrow and platelet rich plasma. The extent of this research has led to 70 book chapters, 138 abstracts, posters, 162 peer reviewed journal articles, and 252 invited national and international talks.

Professor Mazzocca has also held many important positions. He was the Program Director for the American Orthopaedic Society for Sports Medicine (AOSSM) for the 2015 International Meeting, and a member at large for the AOSSM Nominating Committee from 2014–۲۰۱۵٫ In 2014 he served on the Upper Extremity Program Committee for Specialty Day. Professor Mazzocca has been a part of the American Shoulder and Elbow Society (ASES) Continuing Education Committee since 2009, and has been a member of the Closed Meeting Committee for 2015 and 2016. He has also been a member of the Arthroscopy Association of North America (AANA) Research Committee since 2010. In 2003, Professor Mazzocca was a founder of the New England Shoulder and Elbow Society (NESES) and continues to be part of its executive governing board. He remains an active member of AOSSM, ASES, AANA, and NESES, as well as the following professional societies: American Academy of Orthopaedic Surgeons (AAOS), International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine (ISAKOS), The American Orthopaedic Association (AOA), Orthopaedic Research Society (ORS), European Society for Surgery of the Shoulder and Elbow (ESSE), American College of Sports Medicine Member (ACSM), and the Connecticut Academy of Science and Engineering (CASE).

Professor Mazzocca has served on the editorial board of several orthopaedic publications including: Orthopedics Today, Basic Science & Technology Section Editor 2014, Orthopedics Today Editorial Board from 2013 to present, Techniques in Shoulder and Elbow Surgery, Editorial Board from 2010 to present, Associate Editor of the Journal of Bone and Joint Surgery–Shoulder and Elbow Newsletter from 2011 to present, Section Editor–Arthroscopy Section for the AAOS Orthopaedic Knowledge Update 4th Edition in 2011, co-editor of the AAOS Monograph Disorders of the Proximal Biceps Tendon in 2011. He has also received more than 50 awards, honors, and grants.

Andreas Voss, MD, is a resident in training to become an orthopaedic and trauma surgeon, and also works at the Department of Orthopaedic Sports Medicine at the Hospital Rechts der Isar of the Technical University of Munich. During his training at the Department of Orthopaedic Sports Medicine he spent one year as a Sports Medicine Research Fellow at the University of Connecticut (Farmington, CT, USA), focusing on shoulder research and surgery. In addition to receiving his medical degree from the University of Regensburg (Germany), he also graduated from the SRH University of Riedlingen as a health economist, specializing in hospital management.

He is a member of the following professional associations: Association for Arthroscopy and Joint Surgery (AGA), German Association for Shoulder and Elbow Surgery (DVSE), European Society of Sports Traumatology, Knee Surgery, and Arthroscopy (ESSKA), and the International Society of Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine (ISAKOS). Within the ISAKOS he works as a guest member in the shoulder committee.

Besides his enthusiasm for and interest in research, he also greatly supports medical education. Therefore, he was one of the founding members of a special student’s board within the AGA. Using a unique step-by-step curriculum, the medical students are taught in the basic principles of joint surgery to spark their interest in orthopedic surgery. He also holds the certificate of higher education of Bavaria, and has received several grants and awards (e.g., co.don Research Award, German Research Foundation grant, German Society of Orthopedics and Traumatology grant, Bavarian Research Alliance grant).