Esther Valkenburg-Maasen

Esther Valkenburg-Maasen is an experienced business controller with a career spanning over two decades in financial management and production control. Currently, Esther serves as a Businesscontroller at Holbox BV, a position held since November 2024. Prior to this, Esther worked as a Business Controller for the Resin plant at SEKISUI S-LEC from February 2024 to January 2025, and as a Production Controller at Sekisui Alveo from February 2021 to February 2024. Esther's earlier roles include Business Unit Controller at Bruynzeel Storage Systems NL and Production Controller at ROCKWOOL Benelux. The career began as an Accounting Staff member at Depron and included experience as a staff member in indirect administration at CZ. Esther holds a Baccalaureus degree in Bedrijfseconomie from Fontys Hogeschool Sittard, completed in 1997.