2011
Member of the Jury Canon Profifoto Förderpreis 2011
Member of The Jury Swiss Young Photographers Award 2011
2010
invited reviewer for FotoFest, Houston/Texas
Chairman of the Jury in Pinhole Photography, 1. Lochkamera Festival Iserlohn, Germany
2009
Lecture at Carl Ossietzky-University, Oldenburg, Germany
2008
teaching studio class at University of Paderborn, Germany
Chairman of the Jury in Art Photography, Photovisa, FotoFestival Krasnodar, Russia
invited reviewer for FotoFest, Houston/Texas
invited reviewer for FotoBild, Berlin
invited reviewer for Fotofestiwal, Lodz, Poland
invited reviewer for rhubarb-rhubarb, Birmingham, England
2007
invited reviewer for FotoBild Berlin
invited reviewer for Fototage Mannheim Ludwigshafen (curator Christph Tannert)
invited reviewer for Foto Arte Brasilia
lecture on Chinese photography at international Seminar Foto Arte 2007
teaching studio class at University of Paderborn, Germany
2006
commision on Mexico City for Expansion SA, Mexico
invited reviewer for 1st Meetingplace FotoFest, Beijing, China
commision for Noorderlicht foundation and The Wall House#2, Groningen, Netherlands
portfolio viewing and careerconsulting at Fatamorgana, school for photography, Copenhagen, Denmark
commission for George-Eastman-House, Rochester, USA
commission for Hearst Corporation New York, USA
invited reviewer for FotoFest Houston, USA
residency at The Boston Athenaeum, Boston, USA
2005
residency and commission for Centro Culturale Europeo &
Fondazione Carige, Genova Italy
residency & invited reviewer FotoArte, Brasilia
invited reviewer for artphotofest, Bucharest, Romania
2004
lecture at The Art Institute of Chicago, USA
lecture at SF Camerawork, San Francisco, USA
lecture at State University of San Francisco, USA
2003 – 2004
call for visiting professorship „FineArt Photography“ at Justus-Liebig-Universität Giessen, Germany
2003
travelgrant and residency for seeingthelight, Birmingham, Great Britain
Summer-Academy of Photography, Hamburg "Different Views of a City"
2002
Artist in Residence, Fotogallery, Cardiff, Wales, GB
summerproject photography at Weidigschule, Giessen, Germany
teacher at Summeracadamy of Art & Photography, Hamburg, Germany
1998
Scientific Assistant at the University of Siegen, Project: Video Arts
1999
assistancies at different photostudios
1998
Scientific Assistant at the University of Siegen, Project: Fine Art Video
Since 1997
Freelance and artist, lives and works in Siegen, Germany
1993 - 1996
Scientific Assistant at the department of photography, Prof. Juergen Koenigs, University of Siegen, Germany
Teacher for Seminars of Photography for Children, Kreuztal, Germany
Seminars of Photography for Adult Education Classes
1992 - 1993
Scientific Assistant at the department of Experimental Film, Prof. Heinz Pramann University of Siegen, Germany

