Jan 1985 – Mar 1986
Military Service in the Air Force, Aufklärungsgeschwader 51 Immelmann, Eschbach
Apr 1986 – Mar 1987
Research-grant of the German National Fonds at the University Eye-Clinic Bern, Switzerland, Prof. P. Niesel
Apr 1987 – June 1987
Research-grant of the Swiss Fonds for the Prevention of Blindness, Prof. P. Niesel
July 1987 – Dec 1987
Clinical resident at the University Eye-Clinic Bern, Switzerland
Jan 1988 – Dec 1988
Research and clinical fellow at the Eye-Clinic of the Ludwig Maximilians University Munich, Prof. O.E. Lund
Jan 1989 – May 1990
Resident at the University Eye-Clinic Basel, Switzerland
Jun 1990 – Dec 1990
Research fellow at the University Eye-Clinic Basel, Switzerland, Prof. J. Flammer
Jan1991-June1993
Fellowship in Medical and Surgical Retina at the University Eye – Clinic Basel
Jan 1992 – Feb 1992
Research fellow (Post-Doc) at Sandoz Pharma, Basel, Preclinical Research, Central Nervous System
July 1993 – Aug 1997