1976
Volldal Verk AS, Norway
Trainee, exploration for copper deposits 1978
Ludwig-Maximilian University Munich, Germany
Field work for diploma thesis in Tuscany / Italy "Copper deposits in ophiolitic rocks" 1980
Union Carbide Exploration Corporation, Switzerland
Tungsten exploration in the alpine crystalline areas in southern Switzerland 1980 – 1981
Ludwig-Maximilians University Munich, Germany
Research work "Tungsten deposits in North-eastern Bavaria" 1981 - 1982
BP AG (British Petrol), Germany
Exploration for tungsten and base metal deposits in Germany 1982 – 1983
Ludwig-Maximilians University Munich, Germany, / UFRJ Federal University of Rio de Janeiro, Brazil
Field work for Ph.-D. thesis in the proterozoic Ribeira Mobile Belt in Espirito Santo state, Brazil 1984 – 1987
Ludwig-Maximilians University Munich, Germany
Research project "Plutonic rocks in Espiriti Santo, Brazil", research work for Ph.D. 1987 - 1988
Bavarian State Department of historical monuments, Munich, Germany
Conservation of natural building stones, laboratory and field work, including scientific cooperation with CETEC/ Belo Horizonte, Brazil 1988 – 1989
UNDP United Nations Development Project
Associate Expert and Team Leader for a water supply project in Guinea-Bissau / West Africa 1989 - 1996
Trischler and Partner Consulting Engineers, Darmstadt/Munich, Germany
Consultant for environmental projects, head of the Munich office 1996 - 2000
Professor Weiss and Partner Project Management Company / Artur Andersen Real Estate Consulting, Stuttgart/Berlin, Germany
Team Leader, senior environmental expert for brownfield development and construction projects 2000 - 2005
Sate Agency for Exemption (Landesanstalt für Altlastenfreistellung des Landes Sachsen-Anhalt, LAF), Magdeburg, Saxony-Anhalt state, Germany
Associated Director and Team leader of project management unit for remediation and redevelopment of large petrochemical sites and mine decommissioning projects Since 2006
Free-lance consultant, Germany/international
Team leader, project management and environmental consulting
Cooperation with Plejades GmbH Independent Experts | 
