Guillaume

Guillaume serves as CTO at Seyna. Seyna operates in the insurance sector with approximately 64.0 employees. The company is headquartered in Versailles, Ile-de-France. Seyna generates annual revenue of 8700000.0. To date, Seyna has raised 70169601.0 in total funding, with the most recent round being Series A.

Industry & Role Insights

• • MessageCEO tracks 3,403 executives in the insurance sector.
• • We have verified contacts for 2 executives at Seyna.
• • 4,101 executive contacts are available in Ile-de-France.
• • Our database includes 201,468 c suite-level executives.

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Stephen Leguillon CEO at Seyna

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Jee Cho Chief Executive Officer at 라이나생명

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Bocys Lam Chief Technology Officer at 10Life

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Jerrell Clay CEO at 3 Mark Financial, Inc.

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Darren Bowman Chief Executive Officer at 501(c) Services

Outreach Guidance — insurance Sector

Insurance executives prioritize risk reduction, compliance, and claims efficiency. When reaching out to Guillaume, reference actuarial data, integration capabilities, and regulatory compliance.

Guillaume's Position in the MessageCEO Database

• •Guillaume is 1 of 2 verified executive contacts we track at Seyna.
• •3,343 verified executive contacts in insurance are in the MessageCEO database.
• •4,045 verified executive contacts in Ile-de-France are in the database.
• •16 verified contacts work at insurance companies in the 64.0 employee range (same size as Seyna).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Guillaume work for?

Guillaume is CTO at Seyna, a company in the insurance sector with 64.0 employees. The company is based in Versailles, Ile-de-France.

Can I pitch or sell to Guillaume?

As CTO at Seyna, Guillaume is a key decision-maker in the insurance sector. MessageCEO Pro gives you verified email to reach Guillaume directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Guillaume in?

Guillaume works in the insurance industry as CTO at Seyna. MessageCEO provides verified contact information for executives across all major industries.

Is Guillaume's contact information verified?

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

Last updated: July 27, 2026