Maciek Kaluzynski

Maciek Kaluzynski serves as CEO/Board President at One System Sp. z o.o.. One System Sp. z o.o. operates in the information technology & services sector with approximately 28.0 employees. The company is headquartered in Warsaw, Masovian Voivodeship. One System Sp. z o.o. generates annual revenue of 4000000.0.

Industry & Role Insights

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

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Outreach Guidance — information technology & services Sector

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

Maciek Kaluzynski's Position in the MessageCEO Database

• •Maciek Kaluzynski is 1 of 1 verified executive contact we track at One System Sp. z o.o..
• •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.
• •837 verified contacts work at information technology & services companies in the 28.0 employee range (same size as One System Sp. z o.o.).

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 We do not publish personal addresses or sensitive identifiers.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 Maciek Kaluzynski directly?

Maciek Kaluzynski's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO/Board President at One System Sp. z o.o.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Maciek Kaluzynski work for?

Maciek Kaluzynski is CEO/Board President at One System Sp. z o.o., a company in the information technology & services sector with 28.0 employees. The company is based in Warsaw, Masovian Voivodeship.

Can I pitch or sell to Maciek Kaluzynski?

As CEO/Board President at One System Sp. z o.o., Maciek Kaluzynski is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Maciek Kaluzynski directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Maciek Kaluzynski in?

Maciek Kaluzynski works in the information technology & services industry as CEO/Board President at One System Sp. z o.o.. MessageCEO provides verified contact information for executives across all major industries.

Is Maciek Kaluzynski's contact information verified?

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

Last updated: July 23, 2026