Guillaume Mikowski

Guillaume Mikowski serves as Happy CEO at Brainsonic. Brainsonic operates in the marketing & advertising sector with approximately 170.0 employees. The company is headquartered in Paris, Ile-de-France. Brainsonic generates annual revenue of 59000.0.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • 4,101 executive contacts are available in Ile-de-France.
• • Our database includes 201,468 c suite-level executives.

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JV

Jose Vivar Group CTO-CIO at 014 Media

DA

David Amoros CEO, Creative Director at 023. Think. Create. Produce.

DP

David Puig CEO, Creative Director at 023. Think. Create. Produce.

MD

Mike Davison Group CEO at 1000heads

EN

Emily Nicholson Chief Operating Officer at 100 Pound Social

Outreach Guidance — marketing & advertising Sector

Executives like Guillaume Mikowski in the marketing & advertising 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 Brainsonic.

Guillaume Mikowski's Position in the MessageCEO Database

• •Guillaume Mikowski is 1 of 1 verified executive contact we track at Brainsonic.
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •4,045 verified executive contacts in Ile-de-France are in the database.
• •68 verified contacts work at marketing & advertising companies in the 170.0 employee range (same size as Brainsonic).

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 We do not publish personal addresses or sensitive identifiers.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 Guillaume Mikowski directly?

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

What company does Guillaume Mikowski work for?

Guillaume Mikowski is Happy CEO at Brainsonic, a company in the marketing & advertising sector with 170.0 employees. The company is based in Paris, Ile-de-France.

Can I pitch or sell to Guillaume Mikowski?

As Happy CEO at Brainsonic, Guillaume Mikowski is a key decision-maker in the marketing & advertising sector. MessageCEO Pro gives you verified email to reach Guillaume Mikowski directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Guillaume Mikowski in?

Guillaume Mikowski works in the marketing & advertising industry as Happy CEO at Brainsonic. MessageCEO provides verified contact information for executives across all major industries.

Is Guillaume Mikowski's contact information verified?

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

Last updated: July 30, 2026