About us

Using our extensive network we are able to work with professional partners in the foreseeable future a new project and a successful conclusion..

Do you have a question or want to get familiar? Send a message to info [at] zimmermanzimmerman.nl or call us on +31 20 331 8668

Siem Vaessen

Managing Director at Zimmerman & Zimmerman. Siem (left) is responsible for the daily business and the national strategy and business development. He is also responsible for software development projects.

Siem is developing innovative new concepts within the software domain. Siem is the contact for clients regarding sales and marketing. As a former board member of ASPO Netherlands, he guard the durable element within the company. His complete resume is available upon request and you can see his profile on LinkedIn.

siem[at]zimmermanzimmerman.nl
+316 512 292 21
twitter.com/siemvaessen

Tristan Vaessen

Creative Partner at Zimmerman & Zimmerman. Tristan is responsible for strategy and creation. He directs the creative process and assists customers in brand design projects. His complete resume is available upon request and you can see his profile on  LinkedIn.

tristan[at]zimmermanzimmerman.nl
twitter.com/tristanvaessen