Sebastien Tondeur

Sebastien Tondeur serves as Chief Executive Officer at MCI Group. MCI Group operates in the marketing & advertising sector with approximately 330.0 employees. The company is headquartered in Geneva, Geneva.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • We have verified contacts for 2 executives at MCI Group.
• • 305 executive contacts are available in Geneva.
• • Our database includes 201,468 c suite-level executives.

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consulting advisory association solutions brand content communications digital influencer marketing experiences events meetings incentives conventions conferences expos sales sponsorship advertising services marketing & advertising

ST

Sue Trizila President & CEO at MCI Group

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

Outreach Guidance — marketing & advertising Sector

Executives like Sebastien Tondeur 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 MCI Group.

Sebastien Tondeur's Position in the MessageCEO Database

• •Sebastien Tondeur is 1 of 2 verified executive contacts we track at MCI Group.
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •299 verified executive contacts in Geneva are in the database.
• •13 verified contacts work at marketing & advertising companies in the 330.0 employee range (same size as MCI Group).

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 We do not publish personal addresses or sensitive identifiers.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 Sebastien Tondeur directly?

Sebastien Tondeur's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at MCI Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sebastien Tondeur work for?

Sebastien Tondeur is Chief Executive Officer at MCI Group, a company in the marketing & advertising sector with 330.0 employees. The company is based in Geneva, Geneva.

Can I pitch or sell to Sebastien Tondeur?

As Chief Executive Officer at MCI Group, Sebastien Tondeur is a key decision-maker in the marketing & advertising sector. MessageCEO Pro gives you verified email to reach Sebastien Tondeur directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sebastien Tondeur in?

Sebastien Tondeur works in the marketing & advertising industry as Chief Executive Officer at MCI Group. MessageCEO provides verified contact information for executives across all major industries.

Is Sebastien Tondeur's contact information verified?

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

Last updated: July 26, 2026