Education：

? since 2009：Chief Department Foot and Ankle Surgery Hannover Medical School

? 2007：Professor Hannover Medical School

? 2002：PHD, Hannover Medical School

? 2000：Orthopedic Specialist

? 1987–1994：Medical School (University of Cologne and Freiburg, Germany)

? 1987–1994：Medical School (University of Vienna, Austria)

? 1987–1994：Harvard Medical School (Boston, USA)

? 1987–1994：Schulthess Clinic (Zürich, Switzerland)

Memberships：

? Vice president German Foot and Ankle Association (D.A.F)

? Board Member German Orthopaedic Society (DGOOC)

? Council Member European Foot and Ankle Society (EFAS)

? Member of German Orthopaedic and Trauma Association (DGOU)

? Past congress president German Foot and Ankle Society 2018

? Editor in Chief Fu?- und Sprunggelenk, Elsevier

Honors, Awards：

? Listed “Best Foot and Ankle Surgeon” at Focus Magazine

? Member of the “Sonderforschungsbereich 599”, 2003-2014，(Bioresorbable and unresorbable implants of metal and ceramics)German Research Society (DFG)

? Patellofemoral Fellowship of the ISAKOS 2007

? AGA-Don-Joy-Award 2004

? Themistokles Gluck Award German Orthopaedic Association 2002