Subspeciality: 1- Orthopaedics, Subspeciality: pediatric orthopaedics, and Orthopaedic Trauma and management of deformities and limb lengthening and reconstruction That is beside General orthopaedic practice Experience: Present post: * Professor of Orthopedic surgery, Department of Orthopedics and Traumatology, Faculty of Medicine, Ain Shams University Hospitals. *Consultant of Orthopedics surgery * Director of the Orthopaedic Surgery, Trauma, and limb reconstruction unites . Ain Shams University Specialized Hospital. ( 2009) *Subspecialty is pediatric orthopaedics, and Orthopaedic Trauma and management of deformities and limb lengthening and reconstruction with and without ring external fixation systems (Ilizarov techniques). Postgraduate experience: 4 years residency Ain Shams University Hospitals (Egypt) 3 years Ass. Lecturer Ain Shams University Hospitals (Egypt) 3 month AO fellowship (Switzerland) 1 year Orthopedic Trauma Fellowship- Ohio (USA) 6 month Pediatric Orthopedics & Scoliosis Fellowship- Texas (USA) 5 years Lecturer and consultant of Orthopedics and Trauma (Egypt) 1 year Shriners Hospital for Children (Portland Oregon USA) Now: Prof in Ain Shams University Hospitals and elected director of the scientific committee at the Egyptian Medical Syndicate Areas of specialization: Limb reconstruction and deformity correction in children and adults Director of the Orthopaedic Unite Ain Shams University specialized hospital Many international scientific publications in the filed of limb lengthening and reconstruction and pediatric orthopaedics Lectures and presentations in many international conferences around the world in the filed of Orthopaedics NB: The full list of publications (43 paper) and lectures (179 lecture) and presentations are available in the detailed CV Associations: EOA: Egyptian Orthop. Association. S.I.C.O.T.: Societe Internationale de Chirugie Orthopedique et de Traurnatologie. And a member in the young orthopedic surgeons committee of the SICOT AAOS: American Academy of Orthopedic Surgeons ASAMI Egypt: Association of the study and application of method of Ilizarov. Egypt also a member in AO Alumni Association (AOAA) (AO Trauma), and international cartilage repair society (ICRS).