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Meet our team

Management team

Miklas Dronkers

Chief Executive Officer,


Changing the world of paper

Innovation and sustainability are our engines for change. Crown Van Gelder is building a better and greener future together with our chain partners. Our products contribute to better communication with less impact on the environment.

Rienk Jan van der Kooi

Chief Executive Officer,
Marketing & Sales

Sabrine Siem A Joe

Interim Chief Financial Officer

Myrna van der Stelt

HR Manager


Rodney Jansen

Sales Director
+31 (0)613 303 463

Ted Deen

Sales Manager Southern Europe & Overseas
+31 (0)652 577 385

Perce Thrower

Sales Manager UK & Ireland
+44 (0)7555 182 706

Menno Nusse

Sales Manager Benelux & Scandinavia
+31 (0)613 576 059

Axel Mangelsdorf

Sales Manager DACH & CEE
+49 1726 884 480

Bill Lee

Sales Manager Northern America

Philippe Simoni

Sales Manager France
+33 (0)607 261 446


Ad Sies

Marketing Director
+31 (0)613 120 275

Servaas Rijnen

Senior Business Marketeer
+31 (0)612 596 343

Aytekin Bozkurt

Marketing & Communication Coordinator
+31 (0)630 825 067

Rob Boumans

Sales Support / Colour Specialist
+31 (0)638 820 165

As our colour specialist, Rob Boumans helps our high-speed Inkjet customers realise higher print quality and achieve a lower Total Cost of Print. After over 25 years in the graphical industry and working closely with all major OEMs, Rob has a wealth of experience and can help you find the exact right combination of tools, settings and paper.

Eric Koops

Product Manager Label & Packaging
+31 (0)683 966 834

With 15 years experience in the paper industry, a background in chemistry, business administration and packaging, Eric combines a thorough understanding of our clients’ needs with in-depth knowledge of the possibilities of our paper. As the product manager of our Packaging, Label and Technical Specialties portfolio, he enjoys working on the development of new, innovative products.

Jan Rops

Product Manager Publishing
+31 (0)610 950 132

Jan Rops is a product manager and our resident publishing expert. Trained as a chemical engineer, process and product innovation have been a major focus throughout his career. Since joining our organisation in 2014, Jan has specialized in sustainable inkjet book printing and has been instrumental in the development of Crown Native, our ‘green’ sugar beet paper.

Bernard Wesselink

Product & Project Management
+31 (0)620 708 274

With his background as a chemical engineer at the Technical University of Delft and close to thirty years in various positions at our company, Bernard Wesselink is a seasoned, yet ever curious member of our team. He combines valuable customer input with his extensive technical knowledge and experience in search of innovative products and services, process improvements and optimized business processes.

Inside sales

Leo Schopman

Inside Sales West & Export
+31 (0)251 262 217

Mark Bek

Inside Sales West & Export
+31 (0)251 262 211

Marlous Coblens

Inside Sales Benelux, Southern Europe & Scandinavia
+31 (0)251 262 261

Yuck Chan

Inside Sales Benelux, Southern Europe & Scandinavia
+31 (0)251 262 229

Betty Giraud

Inside Sales Benelux, Southern Europe & Scandinavia
+31 (0)251 262 228

Monique Kroon

Inside Sales Benelux, Southern Europe & Scandinavia
+31 (0)251 262 214

Jeffrey Glas

Inside Sales DACH Region & Northern America
+31 (0)251 262 224

Inger de Haan-Tesselaar

Inside Sales DACH Region & Northern America
+31 (0)251 262 213

Suzanne van der Kaaden

Inside Sales DACH Region & Northern America
+31 (0)251 262 226


Myrna van der Stelt

HR Manager

Judith van Lieshout

HR advisor
+31 (0)6-12981537

Jorieke Hogeland

+31 (0)6-30493268


Krijn Postma

HR support & application
+31 (0)6-82838851