Pierre Guillet

Pierre Guillet serves as CEO & Owner at Hesion. Hesion operates in the online media sector with approximately 46.0 employees. The company is headquartered in Acheres, Ile-de-France.

Industry & Role Insights

• • MessageCEO tracks 865 executives in the online media sector.
• • We have verified contacts for 2 executives at Hesion.
• • 4,101 executive contacts are available in Ile-de-France.
• • Our database includes 2,805 owner-level executives.

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Aurelien Luzet CTO at Hesion

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Vincent Bouvier COO at 01net

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Chemin Olivier DSI / CTO at 07ZR

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Nicolas Ple CTO at 07ZR

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Gabriele Burbiene Chief Marketing and Development Officer at 15min grupė

Outreach Guidance — online media Sector

Media executives focus on audience growth, content monetization, and advertising revenue. Cold outreach to Pierre Guillet is most effective when tied to measurable audience or revenue outcomes.

Pierre Guillet's Position in the MessageCEO Database

• •Pierre Guillet is 1 of 2 verified executive contacts we track at Hesion.
• •851 verified executive contacts in online media are in the MessageCEO database.
• •4,045 verified executive contacts in Ile-de-France are in the database.
• •7 verified contacts work at online media companies in the 46.0 employee range (same size as Hesion).

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 We do not publish personal addresses or sensitive identifiers.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 July 2026.

How do I reach Pierre Guillet directly?

Pierre Guillet's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO & Owner at Hesion. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Pierre Guillet work for?

Pierre Guillet is CEO & Owner at Hesion, a company in the online media sector with 46.0 employees. The company is based in Acheres, Ile-de-France.

Can I pitch or sell to Pierre Guillet?

As CEO & Owner at Hesion, Pierre Guillet is a key decision-maker in the online media sector. MessageCEO Pro gives you verified email to reach Pierre Guillet directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Pierre Guillet in?

Pierre Guillet works in the online media industry as CEO & Owner at Hesion. MessageCEO provides verified contact information for executives across all major industries.

Is Pierre Guillet's contact information verified?

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

Last updated: July 24, 2026