Yvonne Niederberger-Wyder
- Certified Trustee with Advanced Federal Diploma of
Professional Education and Training (Eidg. dipl. Treuhandexertin)
- Master of advanced study FH Trustee & Company Consulting (MAS FH Treuhand & Unternehmensberatung)
- Registered auditor (Zugelassene Revisorin)

Special field:
International accounting and consulting in English

Klaus Niederberger
- Trustee with Swiss Federal Certificate (Treuhänder mit eidg. Fachausweis)

Special field:
Personnel administration of different business and sizes
Reorganisation of companies and rescue operations

Lukas Christen
- Ausbildung zum Kaufmann