Förderverein Antoniuskolleg Neunkirchen-Seelscheid is a registered charity association (non-profit). The purpose of the association is to promote and support activities and projects of the school and the students. 

Förderverein Regenbogenschule Hennef is a registered charity association (non-profit). The purpose of the association is to promote and support activities and projects of the school and the students. 

The PMI Frankfurt Chapter (PMIFC) is an independent incorporated non-profit association dealing with Project Management. As VicePresident I was responsible for Information Technology and Internet Projects.

Organizing Indoor Cycling marathon events – with up to 300 bikes and 6-8 hours duration  – 4-6 Events per year – hobby goes semi-professional – www.xpect-the-best.de