Meet the AmCham Belgium team

We are here to accompany you on your member journey and co-create value for you and your company.

Our members are at the center of everything we do at AmCham Belgium. Our mission and goals are driven not only by the dedicated volunteers within our Committees, but also thanks to our team of diverse professionals. If you have any questions or feedback, or simply want to say hello, the team is ready to assist you!
Marcel Claes, Chief Executive at AmCham Belgium

Marcel Claes

Chief Executive
mclaes@amcham.be

Team lead and spokesperson of the Chamber, Marcel responds rapidly to evolving member expectations and builds influence in the public debate. Proud father and grandfather.

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Daniel Pyster, External Affairs Director at AmCham Belgium

Daniel Pyster

External Affairs Director
dpyster@amcham.be

Daniel is the go-to person for all public affairs-related matters, and leads the Chamber’s external communications and events strategy. You can usually find him at a cultural event.

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Sibille Allgayer, Human Capital and Finance Manager at AmCham Belgium

Sibille Allgayer

Human Capital and Finance Manager
sallgayer@amcham.be

As well as ensuring that colleagues have a pleasant and motivating work environment, Sibille keeps an eye on AmCham's finances. Enjoys crafting and collecting indoor plants.

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Umit Cayan, Membership Development Manager at AmCham Belgium

Umit Cayan

Membership Development Manager
ucayan@amcham.be

Umit’s goal is to build relationships and connections, attracting new members, and is the point of entry to the Chamber. He is passionate about his family and history.

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David Gaier, Public Affairs Officer at AmCham Belgium

David Gaier

Public Affairs Officer
dgaier@amcham.be

Always willing to network, David designs the Chamber’s outreach strategy, building bridges between AmCham and political stakeholders. He enjoys learning foreign languages and traveling.

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Manuela Mio, Events Coordinator at AmCham Belgium

Manuela Mio

Events Coordinator 
mmio@amcham.be

Energetic and curious, Manuela sees events as a puzzle: putting together the right pieces requires hard work and precision, but the final result can be surprising! Two things she loves are sea turtles and Magritte’s paintings.

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Alexandra Trandafir, Communications & Community Manager at AmCham Belgium

Alexandra Trandafir

Communications & Community Manager
atrandafir@amcham.be

Alex guides members through their member journey with the Chamber and makes sure they maximize the value created through their membership. Fashion enthusiast and enjoys traveling.

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