Arnaud Seilles

Arnaud Seilles serves as CTO at CAYA. CAYA operates in the information technology & services sector with approximately 42.0 employees. The company is headquartered in Berlin, Berlin.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 1,259 executive contacts are available in Berlin.
• • 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 Arnaud Seilles, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Arnaud Seilles's Position in the MessageCEO Database

• •Arnaud Seilles is 1 of 1 verified executive contact we track at CAYA.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •1,253 verified executive contacts in Berlin are in the database.
• •522 verified contacts work at information technology & services companies in the 42.0 employee range (same size as CAYA).

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 We do not publish personal addresses or sensitive identifiers.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

Arnaud Seilles's verified email address is available to MessageCEO Pro subscribers. They currently serve as CTO at CAYA. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Arnaud Seilles work for?

Arnaud Seilles is CTO at CAYA, a company in the information technology & services sector with 42.0 employees. The company is based in Berlin, Berlin.

Can I pitch or sell to Arnaud Seilles?

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

What industry is Arnaud Seilles in?

Arnaud Seilles works in the information technology & services industry as CTO at CAYA. MessageCEO provides verified contact information for executives across all major industries.

Is Arnaud Seilles's contact information verified?

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

Last updated: July 24, 2026