Sebastien Longelin

Sebastien Longelin serves as President | CEO at SIGMAPHI at Sigmaphi Accelerator Technologies. Sigmaphi Accelerator Technologies operates in the research sector with approximately 95.0 employees. The company is headquartered in Vannes, Brittany.

Industry & Role Insights

• • MessageCEO tracks 2,961 executives in the research sector.
• • 95 executive contacts are available in Brittany.
• • Our database includes 201,469 c suite-level executives.

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Outreach Guidance — research Sector

Executives like Sebastien Longelin in the research 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 Sigmaphi Accelerator Technologies.

Sebastien Longelin's Position in the MessageCEO Database

• •Sebastien Longelin is 1 of 1 verified executive contact we track at Sigmaphi Accelerator Technologies.
• •2,871 verified executive contacts in research are in the MessageCEO database.
• •95 verified executive contacts in Brittany are in the database.
• •7 verified contacts work at research companies in the 95.0 employee range (same size as Sigmaphi Accelerator Technologies).

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 We do not publish personal addresses or sensitive identifiers.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

Sebastien Longelin's verified email address is available to MessageCEO Pro subscribers. They currently serve as President | CEO at SIGMAPHI at Sigmaphi Accelerator Technologies. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sebastien Longelin work for?

Sebastien Longelin is President | CEO at SIGMAPHI at Sigmaphi Accelerator Technologies, a company in the research sector with 95.0 employees. The company is based in Vannes, Brittany.

Can I pitch or sell to Sebastien Longelin?

As President | CEO at SIGMAPHI at Sigmaphi Accelerator Technologies, Sebastien Longelin is a key decision-maker in the research sector. MessageCEO Pro gives you verified email to reach Sebastien Longelin directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sebastien Longelin in?

Sebastien Longelin works in the research industry as President | CEO at SIGMAPHI at Sigmaphi Accelerator Technologies. MessageCEO provides verified contact information for executives across all major industries.

Is Sebastien Longelin's contact information verified?

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

Last updated: June 26, 2026