Whyte Corporate Affairs strengthens its team with the arrival of Jean-Sébastien de Halleux

- Jean-Sébastien de Halleux joins Whyte Corporate Affairs’ team in Brussels as an Associate Consultant.This new hire is part of the further development of the agency and the will to grow its team with complementary profiles and personalities.

Jean-Sébastien holds a Bachelor's degree in Political Science from the Brussels-based Saint-Louis University. He also completed a Master program in International Relations at UCLouvain, including an traineeship at the Belgian Embassy in Israel.

Afterwards, he joined the Ministry of Foreign Affairs as a trainee before seizing the opportunity to broaden his horizons by taking care of the operational and administrative management of several car fleets during one year. Jean-Sébastien’s diverse background shows a significant learning capacity and agility, an absolute quality for future consulting missions.

Within the team, Jean-Sébastien will focus mainly on public affairs and institutional communication projects. His arrival is in line with Whyte Corporate Affairs’ pursuit of growth, managing an ever-growing and varied portfolio of clients, thanks to the contributions of about 30 French- and Dutch-speaking consultants. With this hire, Whyte intends to meet the growing demand for strategic communication advice in Belgium.

“Thanks to his background, his dynamic and open attitude, and his eagerness to learn, Jean-Sébastien is a perfect fit for our team. Just like on a rugby pitch, a passion which he pursues at the highest Belgian level, both colleagues and clients will benefit from his team spirit, persistence, open-mindedness and analytical vision, which he enjoys to combine with a diplomatic approach. It is therefore with great enthusiasm that we welcome Jean-Sébastien to our team”, underlines Sandrine Agie, Partner at Whyte Corporate Affairs.

Eveline De Ridder

Partner, Whyte Corporate Affairs

 

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About Whyte

Whyte Corporate Affairs is an independent consultancy founded in 2008, now recognized as the leading reference in corporate affairs in Belgium. Our team has deep expertise in public affairs, change management, crisis communication & handling sensitive issues, media relations, as well as financial communication and investor relations.

Whyte Corporate Affairs is also supported by its in-house graphic studio – StudioTokyo – where skilled designers turn complex information into clear, compelling visual content.  With offices in Brussels and Antwerp, the agency now brings together more than 45 experts in strategic communication.

Since its creation, Whyte Corporate Affairs has received numerous prestigious international awards. In 2025, the agency was recognised by PRovoke Media as the only Belgian agency featured in the prestigious ranking of the 50 best public relations agencies in EMEA, and one of its projects was listed among the world’s Top 40 campaigns of the year. Whyte Corporate Affairs also won two SABRE Awards in London (“Best Benelux Agency” and “Best Employee Communication”) and was named “Agency of the Year” at the Belgian BORA Awards in November 2025, reaffirming its excellence and leadership.

Whyte Corporate Affairs forms the largest independent Corporate Affairs group in the Benelux, with operations in the Netherlands (The Hague and Amsterdam) through its sister company Public Matters, and in Brussels – the capital of Europe – with Whyte EU, specialising in European public affairs.

Contact

Clos Lucien Outers 11-21 1160 Brussels

+32 2 738 06 20

info@whyte.be

www.whyte.be