Filip Duszczak

Filip Duszczak serves as Group CEO at InStream Group. InStream Group operates in the marketing & advertising sector with approximately 48.0 employees. The company is headquartered in Pleszew, Greater Poland Voivodeship.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • 115 executive contacts are available in Greater Poland Voivodeship.
• • Our database includes 201,469 c suite-level executives.

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Jose Vivar Group CTO-CIO at 014 Media

DA

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

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

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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 Filip Duszczak 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 InStream Group.

Filip Duszczak's Position in the MessageCEO Database

• •Filip Duszczak is 1 of 1 verified executive contact we track at InStream Group.
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •115 verified executive contacts in Greater Poland Voivodeship are in the database.
• •97 verified contacts work at marketing & advertising companies in the 48.0 employee range (same size as InStream 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 We do not publish personal addresses or sensitive identifiers.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 June 2026.

How do I reach Filip Duszczak directly?

Filip Duszczak's verified email address is available to MessageCEO Pro subscribers. They currently serve as Group CEO at InStream Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Filip Duszczak work for?

Filip Duszczak is Group CEO at InStream Group, a company in the marketing & advertising sector with 48.0 employees. The company is based in Pleszew, Greater Poland Voivodeship.

Can I pitch or sell to Filip Duszczak?

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

What industry is Filip Duszczak in?

Filip Duszczak works in the marketing & advertising industry as Group CEO at InStream Group. MessageCEO provides verified contact information for executives across all major industries.

Is Filip Duszczak's contact information verified?

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

Last updated: June 24, 2026