David Klein

David Klein serves as CTO Evangelist at Guardicore. Guardicore operates in the computer & network security sector with approximately 82.0 employees. The company is headquartered in Philadelphia, Pennsylvania. Guardicore generates annual revenue of 25000000.0. To date, Guardicore has raised 110000000.0 in total funding, with the most recent round being Series C.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • 2,637 executive contacts are available in Pennsylvania.
• • Our database includes 201,468 c suite-level executives.

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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

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Christine Owen Field CTO at 1Kosmos - BlockID

Outreach Guidance — computer & network security Sector

Executives like David Klein 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 Guardicore.

David Klein's Position in the MessageCEO Database

• •David Klein is 1 of 1 verified executive contact we track at Guardicore.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •2,484 verified executive contacts in Pennsylvania are in the database.
• •9 verified contacts work at computer & network security companies in the 82.0 employee range (same size as Guardicore).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does David Klein work for?

David Klein is CTO Evangelist at Guardicore, a company in the computer & network security sector with 82.0 employees. The company is based in Philadelphia, Pennsylvania.

Can I pitch or sell to David Klein?

As CTO Evangelist at Guardicore, David Klein is a key decision-maker in the computer & network security sector. MessageCEO Pro gives you verified email to reach David Klein directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is David Klein in?

David Klein works in the computer & network security industry as CTO Evangelist at Guardicore. MessageCEO provides verified contact information for executives across all major industries.

Is David Klein's contact information verified?

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

Last updated: July 31, 2026