General education:
960-1972 Schools in Hamburg, Germany.

Graduate training:
1973-1980 University Medical School, Basel, Switzerland.

Postgraduate training:
1980-1986 Residency in orthopedic surgery at Johns Hopkins Hospital in Baltimore, USA.

Postgraduate fellowships:
1986-1987 General orthopedic surgery and traumatology at the Kantonspital St. Gallen,Switzerland.
1988-1989 Ambulatory orthopedics and handsurgery at Chirurgie St. Leonhard in St. Gallen, Switzerland.
1989-1990 Adult orthopedic surgery, especially shoulder surgery at Klinik Balgrist, Zürich, Switzerland.
1990 Sent to Kurdistan, Irak for five month by medecins du monde as a war surgeon.

Private practice:
1991 Orthopedic surgery in Basel, Switzerland with main interests in endoscopic knee surgery.

Recent publications and presentations:
1994

• Annual meeting of ESSKA (European Society of Sports Traumatology, Knee Surgery and Arthroscopy), Berlin, Germany: A new device for obtaining cylindrical bonegrafts along with patellar tendon autografts.
• Annual meeting of ESSKA, Berlin, Germany: A biodegradable interference screw for anterior cruciate ligament reconstruction.
• Annual meeting of SGO (Swiss Society of Orthopedics), Luzern, Switzerland: Biodegradierbare Interferenzschrauben beim arthroskopischen Kreuzbandersatz.
• Annual meeting of SGO, Luzern, Switzerland: Arthroskopischer Kreuzbandersatz mit autologem Patellarsehnendrittel. Entnahme perfekt zylindrischer Knochenblöckchen mit einer handbetriebenen schneckenförmigen Röhrensäge.
• Annual meeting of AGA (Deutschsprachige Arbeitsgemeinschaft für Arthroskopie), Innsbruck, Austria: Perfekte Knochenblöcke für den arthroskopischen Kreuzbandersatz- eine Evaluation von 100 Operationen.
• Annual meeting of AGA Innsbruck, Austria: Biodegradierbare Interferenzschrauben beim arthroskopischen Kreuzbandersatz- eine klinische, radiologische und histologische Verlaufsstudie.

1995

• Annual meeting of AAOS (American Academy of Orthopedic Surgery), Orlando, USA: Clinical experience using a bioabsorbable interference screw for anterior cruciate ligament reconstruction.
• Sports medicine 2000 in Stockholm, Sweden: Bioabsorbable interference screws for ACL-reconstruction: two years of clinical experience.
• Orthopedic Transactions, in press, published by the Journal for Joint and Bone Surgery, Boston, USA: Clinical experience using a bioabsorbable interference screw for anterior cruciate ligament reconstruction.

1996

• 12.4.96 Operation and Presentatin in Bari/ Italy
• 9.5.96 Presentation in Ulm/ Germany , Workshop"Bioresorbierebare Implantatmaterialien"

1997

• Biennual meeting of ISAKOS Buenos Aires, Presentation
• Publication in Journal of Arthroscopy: "Case report, biodegradable interference screws"
• Publication in Journal of Arthroscopy: "All.Inside ACL Reconstruction Using Semitendinosus Tendon and Soft Threaded Biodegradable Interference Screw Fixation"

1998

• PCL Study group Berlin, Presentation
• Annual meeting of Esska Nizza, Poster Presentation
• 5.5.Greifswald, Germany Presentation and Workshop@ 1^st ACL/PCL meeting
• 7-12-9.98 ACL / PCL congress, Berlin presentation and workshop
• 3.-4.10.98 Annual meeting of AGA Vienna, workshop

1999