Stephan Thonnissen

Stephan Thonnissen serves as Chief Operating Officer at COSI Group. COSI Group operates in the hospitality sector with approximately 480.0 employees. The company is headquartered in Berlin, Berlin. COSI Group generates annual revenue of 11200000.0. To date, COSI Group has raised 133640838.0 in total funding, with the most recent round being Series C.

Industry & Role Insights

• • MessageCEO tracks 1,732 executives in the hospitality sector.
• • 1,259 executive contacts are available in Berlin.
• • Our database includes 201,464 c suite-level executives.

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Jeremy Scott Owner / CEO at 12 Oaks Parking

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Andrew Bullock Chief Executive Officer at 1834 Hotels

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Jean Low CEO at 1880 Singapore

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Rob Darby CEO at 200 Degrees Coffee Roasters

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Sarah Robbins Chief Operating Officer at 21c Museum Hotels

Outreach Guidance — hospitality Sector

Executives like Stephan Thonnissen in the hospitality 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 COSI Group.

Stephan Thonnissen's Position in the MessageCEO Database

• •Stephan Thonnissen is 1 of 1 verified executive contact we track at COSI Group.
• •1,653 verified executive contacts in hospitality are in the MessageCEO database.
• •1,253 verified executive contacts in Berlin are in the database.
• •5 verified contacts work at hospitality companies in the 480.0 employee range (same size as COSI 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 We do not publish personal addresses or sensitive identifiers.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 November 2026.

How do I reach Stephan Thonnissen directly?

Stephan Thonnissen's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Operating Officer at COSI Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Stephan Thonnissen work for?

Stephan Thonnissen is Chief Operating Officer at COSI Group, a company in the hospitality sector with 480.0 employees. The company is based in Berlin, Berlin.

Can I pitch or sell to Stephan Thonnissen?

As Chief Operating Officer at COSI Group, Stephan Thonnissen is a key decision-maker in the hospitality sector. MessageCEO Pro gives you verified email to reach Stephan Thonnissen directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Stephan Thonnissen in?

Stephan Thonnissen works in the hospitality industry as Chief Operating Officer at COSI Group. MessageCEO provides verified contact information for executives across all major industries.

Is Stephan Thonnissen's contact information verified?

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

Last updated: November 8, 2026