Marc Stahlmann

Marc Stahlmann serves as Geschäftsführer | CEO at OnlineMarketing.de. OnlineMarketing.de operates in the marketing & advertising sector with approximately 48.0 employees. The company is headquartered in Hamburg, Hamburg. OnlineMarketing.de generates annual revenue of 10000000.0.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • 674 executive contacts are available in Hamburg.
• • Our database includes 201,469 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

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Emily Nicholson Chief Operating Officer at 100 Pound Social

Outreach Guidance — marketing & advertising Sector

Executives like Marc Stahlmann 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 OnlineMarketing.de.

Marc Stahlmann's Position in the MessageCEO Database

• •Marc Stahlmann is 1 of 1 verified executive contact we track at OnlineMarketing.de.
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •667 verified executive contacts in Hamburg are in the database.
• •97 verified contacts work at marketing & advertising companies in the 48.0 employee range (same size as OnlineMarketing.de).

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 We do not publish personal addresses or sensitive identifiers.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 Marc Stahlmann directly?

Marc Stahlmann's verified email address is available to MessageCEO Pro subscribers. They currently serve as Geschäftsführer | CEO at OnlineMarketing.de. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Marc Stahlmann work for?

Marc Stahlmann is Geschäftsführer | CEO at OnlineMarketing.de, a company in the marketing & advertising sector with 48.0 employees. The company is based in Hamburg, Hamburg.

Can I pitch or sell to Marc Stahlmann?

As Geschäftsführer | CEO at OnlineMarketing.de, Marc Stahlmann is a key decision-maker in the marketing & advertising sector. MessageCEO Pro gives you verified email to reach Marc Stahlmann directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Marc Stahlmann in?

Marc Stahlmann works in the marketing & advertising industry as Geschäftsführer | CEO at OnlineMarketing.de. MessageCEO provides verified contact information for executives across all major industries.

Is Marc Stahlmann's contact information verified?

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

Last updated: July 23, 2026