About ISM

ISM has developed a strong international network of reliable business partners, which is why ISM is active worldwide. The company offers its partners a national and international network in the field of professional football, as well as a highly capable team of sports experts, lawyers and tax specialists – both at national and international level – for whom the professional sportsman is more than just a transfer product.

ISM has an excellent reputation based on in-depth expertise, experience and reliability.


Walter Mortelmans

Walter Mortelmans

Born on 07/12/1958
Director ISM
Member of the board of directors of various companies
Co-founder of IFBI – International Football Business Institute
Master in Sport Management
Guest professor at Vrije Universiteit van Brussel (VUB)
Author “Analyse van het profvoetbal in België : voorstel voor een nieuwe structuur.”

Phone: +32 475 467 840

E-mail info@ismantwerp.be

Thomas Troch

Thomas Troch

Born on 24/08/1981
Co-owner ISM since 2012
Bachelor Marketing
10 years of youth academy Club Brugge
Belgian international U12 – U18

Phone: +32 488 484 868

E-mail thomastroch@ismantwerp.be


Hasan Geyik

Hasan Geyik

Born on 20/05/1988
Diploma Marketing & Sales

Phone: +32 492 83 12 38

E-mail: hasan@ismantwerp.be

Björn De Cock

Björn De Cock

Marketing & Sales
Momenteel Mobility Advisor bij NMBS
Founder BeNeFoot
Football Data Analist

Phone: +32 498 25 42 09

E-mail: bjorn@ismantwerp.be

Looking for ISM contact information?

Since we are often on the road or on the field, it is best to send us an email and we will get back to you as soon as possible. Please provide your contact details (e-mail, telephone), together with an indication of the time when we may preferably contact you.

International activities

As the company is based in Belgium, we are one of the most important agents. We defend the interests of approximately 90 players worldwide. We have an excellent relationship with many of the world’s leading clubs. In addition, we have built up a global network of reliable business partners and realized transfers in various countries, both in Europe and Asia. ISM has an excellent reputation and wants to develop a long-term business relationship with its partners. Founded by René Vijt and Walter Mortelmans, ISM offers partner clubs experience and a network of contacts in the football market.