Jan Justus

Jan Justus serves as CEO at Checkmk. Checkmk operates in the information technology & services sector with approximately 180.0 employees. The company is headquartered in Munich, Bavaria.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 1,671 executive contacts are available in Bavaria.
• • Our database includes 201,468 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 Jan Justus, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Jan Justus's Position in the MessageCEO Database

• •Jan Justus is 1 of 1 verified executive contact we track at Checkmk.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •1,664 verified executive contacts in Bavaria are in the database.
• •547 verified contacts work at information technology & services companies in the 180.0 employee range (same size as Checkmk).

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 We do not publish personal addresses or sensitive identifiers.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 Jan Justus directly?

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

What company does Jan Justus work for?

Jan Justus is CEO at Checkmk, a company in the information technology & services sector with 180.0 employees. The company is based in Munich, Bavaria.

Can I pitch or sell to Jan Justus?

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

What industry is Jan Justus in?

Jan Justus works in the information technology & services industry as CEO at Checkmk. MessageCEO provides verified contact information for executives across all major industries.

Is Jan Justus's contact information verified?

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

Last updated: July 28, 2026