BA in business administration, Frankfurt University, Germany (1994). Diploma in business analysis, Lancaster University, UK (1995). MBA in accounting, operations research, management in industrial businesses, Muenster University, Germany (1998). Silke has worked for an international manufacturer as a financial controller and product manager in Germany, France, Switzerland, and the U.S. In addition, she has been the president of a local non-profit organization that provides food for the needy. Silke has been active in workshops and summer camps dealing with issues of personal liberation, nationalism, gender, and racism.