Jaroslaw Lesniewski

Jaroslaw Lesniewski serves as CEO at M4B S.A.. M4B S.A. operates in the information technology & services sector with approximately 51.0 employees. The company is headquartered in Warsaw, Masovian Voivodeship.

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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Kyung Lim CTO at 인터파크

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Wonho Kang 라포테이블(팔도감) | CEO · Product Lead at 라포랩스(퀸잇)

Outreach Guidance — information technology & services Sector

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

Jaroslaw Lesniewski's Position in the MessageCEO Database

• •Jaroslaw Lesniewski is 1 of 1 verified executive contact we track at M4B S.A..
• •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.
• •386 verified contacts work at information technology & services companies in the 51.0 employee range (same size as M4B S.A.).

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 We do not publish personal addresses or sensitive identifiers.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 Jaroslaw Lesniewski directly?

Jaroslaw Lesniewski's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at M4B S.A.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Jaroslaw Lesniewski work for?

Jaroslaw Lesniewski is CEO at M4B S.A., a company in the information technology & services sector with 51.0 employees. The company is based in Warsaw, Masovian Voivodeship.

Can I pitch or sell to Jaroslaw Lesniewski?

As CEO at M4B S.A., Jaroslaw Lesniewski is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Jaroslaw Lesniewski directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Jaroslaw Lesniewski in?

Jaroslaw Lesniewski works in the information technology & services industry as CEO at M4B S.A.. MessageCEO provides verified contact information for executives across all major industries.

Is Jaroslaw Lesniewski's contact information verified?

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

Last updated: May 25, 2026