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The specialist of today, with over 40 years of experience
Multi-disciplined & dedicated always with one goal: to be the best
Marc Smeitink - CCO / Managing Partner
Optimizing the process

About Marc Smeitink


After completing my study marketing and business economics I have held several positions in marketing and sales in the printing and publishing business. In my career I have always focused on optimizing the process of collaboration between suppliers and customers and creating a win-win situation. At Sumis my position as CCO has a strong focus on marketing and sales. Besides this, I'm a member of various forums.

Maarten van der Velden - Business Development Director
Excellence is not a skill. It’s an attitude.

About Maarten van der Velden

After graduating from the Frederic Muller Akademie I worked for several different publishers like Reed Elsevier and NRC Media. As Sales Director at NRC Media I was responsible for the ad sales of NRC Handelsblad, and Before that I independently published the magazine Peugeot Expo Magazine. In my free time I coordinate the youth football at the local football club. I enjoy connecting people.

Koen de Groot - Managing Partner

About Koen de Groot

Coming soon...

Stefan Hijstee - COO / Managing Partner
Be the best!

About Stefan Hijstee

I have over 20 years of experience in retail, working for companies such as HEMA and Maxeda (previously Vendex KBB). During these years I have specialized in process improvement and buying of Marketing and Advertising. I have managed big projects and realized serious savings. My passion is to always be the best.