- Dr. Veronika Darius, Director gta Publisher / Head Office
- Ulrike Steiner, M.A., staff member / Editorial Office / Project Management
- Sandra Rumiz, lic.phil. I/MAS, staff member / Editorial Office / Project Management
- Philippe Mouthon, staff member / Art Director
- Ursula Bein, staff member / Sales Management / Marketing
- Bjoern Siegrist, junior assistant / Assistant