Professional work
Since Jan. 2009 Senior Scientist at Alterra, Wageningen, Netherlands
Since Dec. 2006 Professor at El Colegio de la Frontera Sur, Villahermosa, Mexico
Jan. 2002 – Dec. 2006 Visiting professor (Langzeitdozentur) of the DAAD at
El Colegio de la Frontera Sur, Villahermosa, México
Mai 2000 – Dec. 2001 Freelance work: scientific projects
Since April 2000 Privatdozent at the institute of soil science at the
University in Bonn, Germany
Mai 1993 – March 2000 Junior Scientist at the institute of soil science at University in
Bonn
July 1992 – April 1993 Freelance work
Nov. 1990 - June 1992 Junior officer at the consulting office Geolog, Brühl, Germany
Sept.1988 - April 1991 Assistant at the Chamber of Agriculture, Bonn, Germany
Work experience abroad
Jan. 2002 - Dec. 2008 Research work at El Colegio de la Frontera Sur, Villahermosa,
México
March - April 2001 Research studies in Parakou, Benin
July - Oct. 1986 Trainee in a GTZ project in Silves, Portugal
Mai - Sept. 1985 Trainee in a GTZ project on sustainable land use systems in
Sokodé, Togo
Oct. 83 - Feb. 84 Trainee in a GTZ project on agro forestry systems in Lushoto,
Tanzania
Feb. – April 83 Work placement on a dairy farm in Brittany, France
Fellowships
June 93 – Mai 94 Research fellowship at the University of Bonn
May – Sept. 1985 Fellowship with GTZ for a field study on sustainable land use in
Togo