John Gilligan

John Gilligan serves as President and Chief Executive Officer at Center for Internet Security. Center for Internet Security operates in the computer & network security sector with approximately 530.0 employees. The company is headquartered in Baltimore, Maryland. Center for Internet Security generates annual revenue of 15590000.0.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • We have verified contacts for 2 executives at Center for Internet Security.
• • 2,221 executive contacts are available in Maryland.
• • Our database includes 201,469 c suite-level executives.

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Brian Calkin Chief Technology Officer at Center for Internet Security

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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 John Gilligan 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 Center for Internet Security.

John Gilligan's Position in the MessageCEO Database

• •John Gilligan is 1 of 2 verified executive contacts we track at Center for Internet Security.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •2,100 verified executive contacts in Maryland are in the database.
• •9 verified contacts work at computer & network security companies in the 530.0 employee range (same size as Center for Internet Security).

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 We do not publish personal addresses or sensitive identifiers.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

John Gilligan's verified email address is available to MessageCEO Pro subscribers. They currently serve as President and Chief Executive Officer at Center for Internet Security. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does John Gilligan work for?

John Gilligan is President and Chief Executive Officer at Center for Internet Security, a company in the computer & network security sector with 530.0 employees. The company is based in Baltimore, Maryland.

Can I pitch or sell to John Gilligan?

As President and Chief Executive Officer at Center for Internet Security, John Gilligan is a key decision-maker in the computer & network security sector. MessageCEO Pro gives you verified email to reach John Gilligan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is John Gilligan in?

John Gilligan works in the computer & network security industry as President and Chief Executive Officer at Center for Internet Security. MessageCEO provides verified contact information for executives across all major industries.

Is John Gilligan's contact information verified?

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

Last updated: June 24, 2026