Certified specialist in tax law and Certified specialist in commercial and corporate law
- German Bar Association (DAV) and Bar Association of Saarland (SAV)
- German Lawyer and Tax Consultant Association for Economy e.V. (DASV)
- Association for Business Relations (AKW)
- Internationa Trademark Association (INTA)
- regional director for the state of Saarland in the German Bar and Tax Advisors Federation for Medium-sized Enterprises e.V.
- Managing Board in the J.S. Bach and association for international piano-playing competitions e.V.
- regional director for the state of Saarland in the organisation of German Attorneys e.V.