Dept Dermatol, University Halle 1967-1973, board certification 1971
Dept Dermatol Univ Erlangen 1975-1986: Ass Prof 1975-1978, Docent 1978-1979, Associate Prof 1980-1986
Professor and chairman, Dept Dermatol Wuppertal Hosp, Acad Teaching Hosp Univs Düsseldorf and Herdecke 1986-2000
Head, Inst Dermatol, Klinikk Bunaes, Sandvika, Oslo, Norway 2000-2004
Dermatologist, Dermatol Practice, Freiburg, Germany, since 2004
Hon Consultant, Dept Dermatol, Univ Med Ctr St Radboud, Nijmegen, Netherlands, 2004-2005
Visiting professor, Dept Dermatol, Univ Berne, Switzerland, since 2005
Visiting professor, Dept Dermatol, Acad Hosp, Univ Ghent, Belgium, since 2006
Senior Consultant, Centro de Dermatología, Instituto CUF, Porto, Portugal, since 2006
Special interests: Dermatopathology, dermatological surgery, nail diseases, diseases of the oral mucosa, aesthetic dermatology
Publications: >405 journal articles, >200 book chapters, author of 8 books, co-editor of 8 books, >1600 lectures at national and international meetings
Societies: German Dermatol Soc, German Soc Dermatol Surg (Founding member, long-term board of directors, past vice-president), German Working Group Dermatohistopathol (Past President), Eur Acad Dermatol Venereol, German Mycol Soc, Int Soc Dermatol Surg (Past President), Eur Nail Soc (Past President), Eur Soc Cosm Aesthet Dermatol (Past Pres), French Soc Dermatol Venereol (Corresponding Member), Austrian Soc Dermatol (Corresponding member), Asoc Colomb Dermatol (Honorary member), Mex Soc Dermatol Surg (Hon Member), Turk Dermatol Soc (Hon Memb), Pol Soc Dermatol (Hon Memb), Dermatological Surgery Group Swiss Soc Dermatol Venereol (Hon Member), Asociación Argentina de Medicina y Cirugía Cosmética (Hon Member), Philippine Ass Dermatol Surg Inc (Hon Member), Romanian Soc Dermatol (Hon Member), Swiss Soc Dermatol Venereol (Hon Member), Slovak Soc Med Branch of Aesthet Cosm Dermatol (Honorary Member), Hellenic Soc Dermatol Surg (Hon Member), Romanian Soc Dermatopathol (Hon Member), Am Dermatol Ass (Int Hon Member)
