Our Team Stertil-Koni
Albert Russchen
Product Manager
Andrew Zhang
Area Sales Manager
Anita Mandema-Boyce
Global Marketing Manager
Anne-Jan van der Meulen
Area Sales Manager
Bert Kamminga
Product Manager
Dirk-Siemen Wendelaar Bonga
Global Sales Manager Stertil-Koni
Gerda Bosch
Sales Assistant
Hilda van der Ploeg
Sales Assistant
Jan Hilko van Dijk
Sales Assistant
Marcel Jansen
Marketing & Sales Director / CCO, Stertil Group
Marijke Kuypers
Marketing & Communications Assistant
Oelke Douma
Sales Support Manager
Sjirk Hoekstra
Customer Service
Tjeerd Koppenol
Area Sales Manager
