| Stefan Rübener geboren am 4. März 1967 in Körbecke / Möhnesee 2 Kinder; geschieden |
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| Ostschule Viersen - Dülken | Fachhochschulreife | Viersen, NRW |
| James F. Byrnes High School | High School Diploma | Spartanburg, SC, USA |
| University of South Carolina | Sociology / Economics | Columbia, SC, USA |
| Boston University | Political Science | Washington, DC, USA |
| Boston College | Economics - International Finance | Boston, MA, USA |
| Rotterdam School of Management, Erasmus University |
Master of Business Administration | Rotterdam, NL |