Mark Williams

Mark Williams serves as CTO at TachTech. TachTech operates in the computer & network security sector with approximately 23.0 employees. The company is headquartered in Castro Valley, California. TachTech generates annual revenue of 15250000.0.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 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 Mark Williams 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 TachTech.

Mark Williams's Position in the MessageCEO Database

• •Mark Williams is 1 of 1 verified executive contact we track at TachTech.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •26 verified contacts work at computer & network security companies in the 23.0 employee range (same size as TachTech).

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 We do not publish personal addresses or sensitive identifiers.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

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

What company does Mark Williams work for?

Mark Williams is CTO at TachTech, a company in the computer & network security sector with 23.0 employees. The company is based in Castro Valley, California.

Can I pitch or sell to Mark Williams?

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

What industry is Mark Williams in?

Mark Williams works in the computer & network security industry as CTO at TachTech. MessageCEO provides verified contact information for executives across all major industries.

Is Mark Williams's contact information verified?

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

Last updated: June 25, 2026