Antoon Theunissen

Antoon Theunissen serves as CEO at MediaMixer. MediaMixer operates in the public relations & communications sector with approximately 51.0 employees. The company is headquartered in Avelgem, Vlaams Gewest.

Industry & Role Insights

• • MessageCEO tracks 844 executives in the public relations & communications sector.
• • We have verified contacts for 4 executives at MediaMixer.
• • 22 executive contacts are available in Vlaams Gewest.
• • Our database includes 201,469 c suite-level executives.

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Wim Kegelaers Chief Technology Officer at MediaMixer

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Tom Bellens CEO - owner at MediaMixer

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Julie Chief Operating Officer at Mediamixer at MediaMixer

Outreach Guidance — public relations & communications Sector

Executives like Antoon Theunissen in the public relations & communications sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at MediaMixer.

Antoon Theunissen's Position in the MessageCEO Database

• •Antoon Theunissen is 1 of 4 verified executive contacts we track at MediaMixer.
• •837 verified executive contacts in public relations & communications are in the MessageCEO database.
• •22 verified executive contacts in Vlaams Gewest are in the database.
• •7 verified contacts work at public relations & communications companies in the 51.0 employee range (same size as MediaMixer).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated June 2026.

How do I reach Antoon Theunissen directly?

Antoon Theunissen's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at MediaMixer. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Antoon Theunissen work for?

Antoon Theunissen is CEO at MediaMixer, a company in the public relations & communications sector with 51.0 employees. The company is based in Avelgem, Vlaams Gewest.

Can I pitch or sell to Antoon Theunissen?

As CEO at MediaMixer, Antoon Theunissen is a key decision-maker in the public relations & communications sector. MessageCEO Pro gives you verified email to reach Antoon Theunissen directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Antoon Theunissen in?

Antoon Theunissen works in the public relations & communications industry as CEO at MediaMixer. MessageCEO provides verified contact information for executives across all major industries.

Is Antoon Theunissen's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Antoon Theunissen's profile is kept up-to-date with the latest available information.

Last updated: June 26, 2026