| 1995 − 2000 | Anwalt-Suchservice, Verlag Dr. Otto Schmidt, Köln, Germany |
| 2000 − 2001 | WWL Internet AG, Köln, Germany |
| 2002 - 2010 | Hardin Consulting, Köln, Germany |
| Since 2010 | Hardin Software, Köln, Germany |
Sun Certified Business Component Developer, Java Enterprise Edition 5
Sun Certified Programmer for the Java 2 Platform, Standard Edition
Study in Law, Computer Science und Sociology at
Universities of Cologne, Kaiserslautern and Saarbrücken.
Admitted to practice as Rechtsanwalt (German attorney)
German, English