Peter Helmut Thaller was born in 1960. In 1991 he began specializing in traumatology and emergency medicine with special emphasis on limb lenghtening and reconstruction of bony defects, deformities and discrepancies (3D-Surgery) since 1997.

His special interests are the technical development of im-nails, devices for bone transport, navigation, augmented reality and digital analysis and planning for surgical procedures. Since 2003 he is lecturing and organizing courses for limb lengthening and deformity correction and supervising surgeries with various types of fully implantable lengthening nails in Europe and overseas. He was one of two founders and directors of the limb lenthening center munich in 2006.

Since 2009 he is head of the department for 3D-Surgery at the Clinical Center of the University of Munich.

Metin Küçükkaya was born in 1969. After graduating from the medical faculty in 1992, he began to show an interest toward lengthening and deformity surgery in adults and children. Over the next fifteen years he continued to focus intensively on classical Ilizarov surgeries including complex foot deformities, as well as a special cable bone transport technique and retrograde lengthening over nail technique he later developed.

His special interests include Orthopedic Trauma and treatment of bone infections and mal-nonunions, limb length discrepancies, and congenital deformities involving lengthening nails, hexapod system, and deformity plates.

He was appointed as Professor in Istanbul Bilim University’s Department of Orthopedics and Traumatology in 2009. He is currently part of “Ortopedist Istanbul“, a group of Orthopedic surgeons working in the area of orthopedic trauma, arthroplasty, sports medicine, and the spine.

Dr. Hakan Kınık was graduated in 1991 from Ankara University School of Medicine. He had completed his Orthopedics & Traumatology residency program in the same university in 1996. He is currently Professor of Orthopaedic Surgery at Ankara University and director of the Orthopaedic Trauma Service. Dr. Kınık frequently presents at both national and international conferences on treatment of orthopaedic trauma. His second point of interest is deformity correction and management of post-traumatic complications in both adult and pediatric patients. Dr Kınık is co-founder and previous president of Turkish Orthopedic Trauma Associaton, member of many national and international orthopaedic societies and trauma section editor of ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA journal.

I am just a general orthopaedic surgeon, no single area of specialisation – trained in the States (Chicago), fellowships with Dror Paley (Baltimore – Ilizarov) and George Cierny (Atlanta – osteomyelitis) – live in Brisbane Australia now, past 15 years – I have been at this for 25 years – original training in Shoulder Surgery, early interest in Sports Medicine – after fellowships, interest and considerable expertise in the surgical treatment of osteomyelitis and musculoskeletal sepsis – further interest in deformity correction and limb lengthening, using both external fixation and IMN/ORIF – career evolved with extensive experience with complex revision total joints, particularly staged revision of infected total joints – my practice subsequently evolved further, and currently focuses on high energy trauma and intra-articular fractures, including pelvis and acetabular, proximal humerus, pilons, plateaus, calcaneus, and distal femur – considerable experience and expertise in post-traumatic limb salvage, both acute and chronic – for entertainment I enjoy percutaneous fixation of selected humeral shaft and calcaneus fractures – now also pursuing development of comprehensive approaches to osseointegration for the definitive reconstruction of amputees – current active research interests in trauma, intra-articular fractures, prosthetic joint infections, osteomyelitis, osseointegration, bibliometrics, 3D printing and modelling, stem cells, growth factors, biomechanics, robotics, genomics/biomarkers, deformity correction and more – current International President of ASAMI-BR, and also on the International Committee of the AAOS – over 100 publications, almost 2000 citations – for relaxation I play basketball and golf, and study astronomy and mathematics.

Donghoon Lee is a director and founder of DALRI (Donghoon Advanced Lengthening Reconstruction Institute). He has been worked as a professor specializing in limb lengthening, deformity correction and reconstruction.

His special interests are limb lengthening for leg length discrepancy and cosmetic stature lengthening; any kinds of deformity including bowlegs, knockknees, rotational malalignment syndrome, genu recurvatum and complex deformities; recurrent (chronic) patella dislocation.

He is also developing 3D-pringting technology for minimal- invasive deformity correction.

Honorary President of NRRA (Rehabilitation Hospital Affiliated to the National Research Center for Rehabilitation Technical Aids, P.R. China)
Honorary Professor of The Russian Ilizarov Scientific Center

Membership of Professional Bodies/Associations
 ASAMI, China (Chairman 2003-present)
 ILLRS, China (Chairman 2015-present)
 Chinese External Fixation and Limb Reconstruction Society (Chairman 2013-2019)
 The 6th World Ortho Recon ILLRS&ASAMI Congress, Beijing 2023
(Chairman of Organizing Committee)

Professor Qin Sihe has been engaged in orthopaedic surgery for over 40 years. As of December 30, 2018, he has presided over 35,075 cases of limb deformity and disability surgeries, including 23,520 cases of poliomyelitis sequelae. He is the surgeon with the most surgical treatment of PLsequelae in the world and has established the largest database of limb deformity and disability surgeries in China. He is also the first surgeon from the Chinese mainland who went to Russia to study and introduce Ilizarov technology, initiated the establishment of ASAMI China, and led the transformation of Ilizarov technology in China. For 40 years, Prof. Qin Sihe has been rooted in China. Based on China’s national conditions, in-depth study of Chinese culture, and information gathered from patients, he proposed the concept of Natural Reconstruction of orthopedics (limbs), established the lower limb orthopedics technology system with Chinese characteristics of Qin Sihe’s medical model and surgical style, and treated tens of thousands of cases of complicated limb deformities. In total, he has edited and published nine books on orthopaedic surgery in Chinese. In addition, his English book of Lower Limb Deformities Correction and Function Reconstruction, which he edited, will be published by Springer in the near future.

Oğuz Poyanlı was born in 1966. He graduated from İstanbul University in 1990. He completed his residency at Göztepe Education and Training Hospital in 1995. He is still working at the same hospital as an Associate Professor in department of Orthopedics and Traumatology. He is interested in sports medicine and traumatology. He is a member of the education committee in TUSYAD (Turkish Sports Injuries Arthroscopy and Knee Surgery Association). Since 2006 he has been organizing arthroscopic motor skill learning courses .

He was born in 1966. Graduated from Hacettepe University, Faculty of Medicine in 1990 and completed his residency in Ege University, Department of Orthopaedics & Traumatology in 1996. He worked in Mayo Clinic Rochester/MN/USA and MHH/Hannover/Germany for his education. He is currently working in Celal Bayar University in Manisa and responsible of all orthopaedic trauma patients since 1997. He is only dealing with orthopaedic trauma patients for the last 18 years. He is mainly focused on acetabular, pelvic fractures and polytrauma patients. He is an active member of Turkish Orthopaedic Trauma Branch, AO Trauma and ESTES ( European Trauma and Emergency Surgery ). He is also an international member of OTA (Orthopaedic Trauma Association)

Kemal Aktuglu is a professor in Ege University, faculty of medicine. His main specialty is trauma. He is an active member of the Turkish and international orthopedic society with many publications, memberships and meeting organizations

Professor Doctor Kemal Durak was born in 1959.He started his specialty in orthopaedics and traumatologyin 1987.
His special interests are adult orthopaedic traumas.He is responsible professor of orthopaedic trauma in his clinic.
He works in Orthopaedics and Trauma Department of Uludag University and the chairman of Orthopaedic Trauma and Osteosynthesis Society
in Turkey.
He is an active member of the Turkish and international orthopaedic society with many published articles.

Sami Sökücü was born in1978. He graduated from  Istanbul University Cerrahpasa Medicine faculty in 2003, He finished his training in 2009 from Taksim Education and Training Hospital/Istanbul. He is still working Trauma and Deformity Department of Baltalimanı Bone Diseases and Training Hospital/Istanbul. He is interesting in Orthopaedic Trauma, treatment of bone defects, deformity correction, leg length discrepancies.

I was born in 1974. I graduated from Hacettepe University Faculty of Medicine in 1999 and in same year I started my education in orthopaedics and traumatology in Istanbul University Cerrahpaşa Faculty of Medicine. I finished my resident program in 2005. I am studying in Bakırköy Dr. Sadi Konuk Research and Training Hospital Orthopaedics and Traumatology Clinic since 2010.

My surgical practice is mainly made up of from Ilızarov surgery, external fixator, deformity correction, limb lengthening and problematic traumatic cases. I am working as an executive surgeon of Ilızarov and Deformity Department in our clinic.

Membership of Professional Bodies/Associations
 ASAMI, China (Secretary General 2015-present)
 ILLRS, China (Secretary General 2015-present)
 Shanxi Medical Doctor Association for external fixation and limb reconstruction(Chairman 2016-present)
 Shanxi Medical Association for external fixation and limb reconstruction(Chairman 2018-present)
 External Fixation Group of the Chinese Research Hospital Association(Vice Chairman 2017-present)
 Rehabilitation and External Fixation Committee of the Chinese Association of Rehabilitation Aids(Vice Chairman 2016-present)

I was born in 1967, and I began specializing in traumatic orthopedics in 1989. I started to do my Ilizarov practice and related research in 2012.
I am now the professor of the group of limb reconstruction and infection under the Dept. Orthopedics of the 2nd Hospital of Shanxi Medical University. My special interests are mainly the treatment of severe trauma, chronic limb osteomyelitis, diabetic foot, complex limb deformities, bone delayed union, nonunion and malunion, and etc.

Florian Wolf was born 1982. Yet as medical student, he was interested in 3D-Surgery and began assisting Dr. Thaller in surgical procedures, mainly the implantation of intramedullary lengthening devices. After his graduation 2009, he started his clinical career and specialization at the Department of General, Trauma-, Hand- and Plastic Surgery / University of Munich, where he joined the department for 3D-Surgery. His main interests are preoperative planning methods and specialized surgical techniques for lenghthening and deformity correction with intramedullary nails. For several times he also had the opportunity and pleasure to teach digital analysis and planning methods to a various number of international surgical guests of the department for 3D-Surgery.

Nikolaus Degen was born in 1984. During his study program at the Medical University of Vienna, Austria, he joined Dr. Thaller for his first clinical internship, and has been associated with the Department of 3D-Surgery since then. After his graduation in 2011, he started his specialization and has worked in Orthopaedic Surgery in Munich and in Traumatology at the University Hospital Ulm. He joined the 3D-Surgery team of Dr. Thaller at the Department of General, Trauma- and Reconstructive Surgery of the LMU Munich in 2015. His main interests are preoperative analysis and planning methods and their accuracy under the influence of rotation of the lower limb.