1999 – 2001: Chief physician in sports traumatology and arthroscopic surgery and senior physician in spinal surgery at the University Hospital of Münster
2001 – 2002: Deputy director at the University Hospital of Münster
2002 – 2012: Chief physician of the Clinic for Accident, Hand and Orthopedic Surgery and the Vest Spinal Center, Prosper-Hospital of Recklinghausen
2012 – 2015: Chief physician of the Clinic for Trauma Surgery, Orthopedics and Sport Traumatology, Hospital of the Soest city