User:Renrieger
Appearance
- 9th January 1958 in Moers, Germany – resident in South Pasadena, California
- German–American historian, entrepreneur and consultant
- Doctorate of Philosophy (Ph. D./Dr. phil.) – University of Duisburg-Essen, Duisburg, Germany, 1990
- Master in Business Administration (Diplom-Kaufmann) – Helmut Schmidt University, Hamburg, Germany, 1981