Theus Hossmann

Theus Hossmann serves as CTO at Ontinue, the MDR division of Open Systems. Ontinue, the MDR division of Open Systems operates in the computer & network security sector with approximately 220.0 employees. The company is headquartered in Bern, Canton of Bern.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • We have verified contacts for 2 executives at Ontinue, the MDR division of Open Systems.
• • 259 executive contacts are available in Canton of Bern.
• • Our database includes 201,469 c suite-level executives.

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Geoff Haydon Chief Executive Officer at Ontinue, the MDR division of Open Systems

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Sharon Torati CEO at 10root Cyber Security

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Meni Bondarkar CTO at 10Secure

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Shay Tiv CEO at 10Secure

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Michael Cichon Chief Marketing Officer at 1Kosmos - BlockID

Outreach Guidance — computer & network security Sector

Executives like Theus Hossmann in the computer & network security 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 Ontinue, the MDR division of Open Systems.

Theus Hossmann's Position in the MessageCEO Database

• •Theus Hossmann is 1 of 2 verified executive contacts we track at Ontinue, the MDR division of Open Systems.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •257 verified executive contacts in Canton of Bern are in the database.
• •14 verified contacts work at computer & network security companies in the 220.0 employee range (same size as Ontinue, the MDR division of Open Systems).

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 We do not publish personal addresses or sensitive identifiers.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 Theus Hossmann directly?

Theus Hossmann's verified email address is available to MessageCEO Pro subscribers. They currently serve as CTO at Ontinue, the MDR division of Open Systems. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Theus Hossmann work for?

Theus Hossmann is CTO at Ontinue, the MDR division of Open Systems, a company in the computer & network security sector with 220.0 employees. The company is based in Bern, Canton of Bern.

Can I pitch or sell to Theus Hossmann?

As CTO at Ontinue, the MDR division of Open Systems, Theus Hossmann is a key decision-maker in the computer & network security sector. MessageCEO Pro gives you verified email to reach Theus Hossmann directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Theus Hossmann in?

Theus Hossmann works in the computer & network security industry as CTO at Ontinue, the MDR division of Open Systems. MessageCEO provides verified contact information for executives across all major industries.

Is Theus Hossmann's contact information verified?

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

Last updated: June 27, 2026