Arnaud Ehresmann

Arnaud Ehresmann serves as Chief Technology Officer at OpenTAS. OpenTAS operates in the information technology & services sector with approximately 78.0 employees. The company is headquartered in Hamburg, Hamburg. OpenTAS generates annual revenue of 3000000.0.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 674 executive contacts are available in Hamburg.
• • 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 Arnaud Ehresmann, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Arnaud Ehresmann's Position in the MessageCEO Database

• •Arnaud Ehresmann is 1 of 1 verified executive contact we track at OpenTAS.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •667 verified executive contacts in Hamburg are in the database.
• •212 verified contacts work at information technology & services companies in the 78.0 employee range (same size as OpenTAS).

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 We do not publish personal addresses or sensitive identifiers.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 Arnaud Ehresmann directly?

Arnaud Ehresmann's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at OpenTAS. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Arnaud Ehresmann work for?

Arnaud Ehresmann is Chief Technology Officer at OpenTAS, a company in the information technology & services sector with 78.0 employees. The company is based in Hamburg, Hamburg.

Can I pitch or sell to Arnaud Ehresmann?

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

What industry is Arnaud Ehresmann in?

Arnaud Ehresmann works in the information technology & services industry as Chief Technology Officer at OpenTAS. MessageCEO provides verified contact information for executives across all major industries.

Is Arnaud Ehresmann's contact information verified?

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

Last updated: July 24, 2026