Marcin Siekierski

Marcin Siekierski serves as CEO at Fabryka Marketingu. Fabryka Marketingu operates in the marketing & advertising sector with approximately 44.0 employees. The company is headquartered in Warsaw, Masovian Voivodeship.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • We have verified contacts for 2 executives at Fabryka Marketingu.
• • 1,088 executive contacts are available in Masovian Voivodeship.
• • Our database includes 201,469 c suite-level executives.

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PC

Przemyslaw Cyluk COO at Fabryka Marketingu

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 Marcin Siekierski 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 Fabryka Marketingu.

Marcin Siekierski's Position in the MessageCEO Database

• •Marcin Siekierski is 1 of 2 verified executive contacts we track at Fabryka Marketingu.
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •1,083 verified executive contacts in Masovian Voivodeship are in the database.
• •136 verified contacts work at marketing & advertising companies in the 44.0 employee range (same size as Fabryka Marketingu).

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 We do not publish personal addresses or sensitive identifiers.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

How do I reach Marcin Siekierski directly?

Marcin Siekierski's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at Fabryka Marketingu. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Marcin Siekierski work for?

Marcin Siekierski is CEO at Fabryka Marketingu, a company in the marketing & advertising sector with 44.0 employees. The company is based in Warsaw, Masovian Voivodeship.

Can I pitch or sell to Marcin Siekierski?

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

What industry is Marcin Siekierski in?

Marcin Siekierski works in the marketing & advertising industry as CEO at Fabryka Marketingu. MessageCEO provides verified contact information for executives across all major industries.

Is Marcin Siekierski's contact information verified?

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

Last updated: May 31, 2026