Krzysztof Zielinski

Krzysztof Zielinski serves as Chief Technical Officer at 300Brains. 300Brains operates in the information technology & services sector with approximately 23.0 employees. The company is headquartered in Warsaw, Masovian Voivodeship.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 3 executives at 300Brains.
• • 1,088 executive contacts are available in Masovian Voivodeship.
• • Our database includes 201,469 c suite-level executives.

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Vilhjalmur Gunnarsson CEO at 300Brains Nordics at 300Brains

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Przemyslaw Guberow Chief Executive Officer at 300Brains

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Marvin Jo CTO at 위블링

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Robert Kim CEO, North America at 당근마켓

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Kyung Lim CTO at 인터파크

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Krzysztof Zielinski, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Krzysztof Zielinski's Position in the MessageCEO Database

• •Krzysztof Zielinski is 1 of 3 verified executive contacts we track at 300Brains.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •1,083 verified executive contacts in Masovian Voivodeship are in the database.
• •840 verified contacts work at information technology & services companies in the 23.0 employee range (same size as 300Brains).

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 We do not publish personal addresses or sensitive identifiers.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 Krzysztof Zielinski directly?

Krzysztof Zielinski's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technical Officer at 300Brains. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Krzysztof Zielinski work for?

Krzysztof Zielinski is Chief Technical Officer at 300Brains, a company in the information technology & services sector with 23.0 employees. The company is based in Warsaw, Masovian Voivodeship.

Can I pitch or sell to Krzysztof Zielinski?

As Chief Technical Officer at 300Brains, Krzysztof Zielinski is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Krzysztof Zielinski directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Krzysztof Zielinski in?

Krzysztof Zielinski works in the information technology & services industry as Chief Technical Officer at 300Brains. MessageCEO provides verified contact information for executives across all major industries.

Is Krzysztof Zielinski's contact information verified?

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

Last updated: June 26, 2026