Sonja Köhnke

Sonja Koster possesses a diverse background in commercial and managerial roles, currently serving as a Commercieel medewerker at Intertap Flooring bv since July 2022. Prior experience includes working as a Consignment Coordinator at Heritage Auctions Europe from June 2020 to July 2022, and as Accountmanager and Commercieel medewerker binnendienst at Tijssen Goed voor Dieren b.v. from March 2015 to January 2022. A Management Support role at LOI from December 2009 to March 2015 involved providing secretarial and administrative support to business units. Additionally, Sonja Koster served as Sales Director at Ton van Bemmelen Ruitersport en Dierenbenodigdheden from October 2004 to December 2009, where responsibilities included opening new locations and managing the sales team. Prior experience also includes a tenure as Afdelingsmanager at Ton van Bemmelen Sports from 1994 to 2004, focusing on relationship management and inventory control. Educational qualifications include studies at MAS Groenhorstcollege te Barneveld from 1989 to 1991.