Fracture-dislocations of the elbow – Results of operative and conservative treatment, Chirurgische Klinik, Eberhard-Karls University, Tubingen / Germany
Nov 1984 – March 1986: Registrar – General Surgery, Livingstone Hospital – Port Elizabeth- South Africa
April 1986 – Jan 1987: Registrar – Orthopaedics, Coronation Hospital, Johannesburg – South Africa (University of the Witwatersrand Hospital)
Sept 1987 – Feb 1991: Registrar in training – Orthopaedic Department, University of the Witwatersrand, Johannesburg // Rotation in four teaching Hospitals (JHB General,Hillbrow, Baragwanath και J G Strijdom)
May 1992 – Jan 1993: Registrar, Orthopaedic Department, Broomfield Hospital, Essex/ UK
Aug 1993 – Aug 1994: Clinical Fellow – Sports Medicine & Arthroscopy, Staten Island University Hospital, New York, (Mark F. Sherman MD, Director), Arthroscopy Association of North America Fellowship
12/1996 – 07/2000: Head – Medical Services, Hellenic Gymnastics Federation, Artistic and Rhythmic Gymnastics – Olympic Teams
07/1998 – 06/2001: Head – Medical Services, Kalamata FC, A’ National Soccer League
07/1999 – 01/2000: Head – Medical Services, Panionios FC, A’ National Soccer League
06/2005 – 07/2007: Head – Medical Services, Asteras Tripolis FC, A’ National Soccer League
07/2004 – 01/2009: Head – Medical Services, AEK FC, A’ National Soccer League
06/2016 – to date: Head – Medical Services, Panathinaikos FC, A’ National Soccer League
08/2004: Olympic Games – Athens 2004, Medical Venue Director
Simultaneous rupture of the anterior cruciate ligament and the patellar tendon, (Levakos, Sherman, Shelbourne, Trakru, Bonamo), American Journal of Sports Medicine 24: 498-503, 1996