- General surgery (Chur/CH, Prof. T. Rüedi)
- Orthopaedic surgery (Bern/CH, Prof. R. Ganz, Winterthur/CH, Dr. B. Isler)
- Hand surgery (Bern/CH, Proff. U. Büchler, A. Narakas)
- Upstate Medical Center, Syracuse, NY (A.K. Palmer)
- Mayo Clinic, Rochester, MN (R. Cofield & B. Morrey)
- Harborview Trauma Center, Seattle, WA (S. Hansen)
- University of Washington, Seattle, WA (F. Matsen)
- Mayo Clinic, Rochester, MN, Hand departement (W. Cooney)
- Mayo Clinic, Rochester, MN, Biomechanics Lab (K.An)
- Institut Français de la Main, Paris (A. Gilbert)
current position:
Chief Hand Surgery, University of Zurich, Balgrist Hospital, Zürich/Switzerland Consultant for surgery of the brachial plexus at the University Hospital/Inselspital Bern, Switzerland |