Network
- Coach of the Technology Coaching Center GmbH
- Businessplan competion Berlin - Brandenburg
- Various banks and VC societies
- Lawyer firm Claudia Mummenhoff, Steffan Ridder, Richard von Groeling und Alexander Hillig
- Chartered accountant and tax consultant Dipl.-Kaufmann Detlev Busch
- Chartered accountant and tax consultant Dipl.-Kaufmann Reinhard Palmen

