Andrew Tewksbury

Andrew Tewksbury serves as Chief Executive Officer at Ostra Cybersecurity. Ostra Cybersecurity operates in the computer & network security sector with approximately 23.0 employees. The company is headquartered in Minneapolis, Minnesota. Ostra Cybersecurity generates annual revenue of 4700000.0. To date, Ostra Cybersecurity has raised 11956465.0 in total funding, with the most recent round being Series A.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • 1,832 executive contacts are available in Minnesota.
• • 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 Andrew Tewksbury 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 Ostra Cybersecurity.

Andrew Tewksbury's Position in the MessageCEO Database

• •Andrew Tewksbury is 1 of 1 verified executive contact we track at Ostra Cybersecurity.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •1,716 verified executive contacts in Minnesota are in the database.
• •26 verified contacts work at computer & network security companies in the 23.0 employee range (same size as Ostra Cybersecurity).

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 We do not publish personal addresses or sensitive identifiers.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

Andrew Tewksbury's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Ostra Cybersecurity. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Andrew Tewksbury work for?

Andrew Tewksbury is Chief Executive Officer at Ostra Cybersecurity, a company in the computer & network security sector with 23.0 employees. The company is based in Minneapolis, Minnesota.

Can I pitch or sell to Andrew Tewksbury?

As Chief Executive Officer at Ostra Cybersecurity, Andrew Tewksbury is a key decision-maker in the computer & network security sector. MessageCEO Pro gives you verified email to reach Andrew Tewksbury directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Andrew Tewksbury in?

Andrew Tewksbury works in the computer & network security industry as Chief Executive Officer at Ostra Cybersecurity. MessageCEO provides verified contact information for executives across all major industries.

Is Andrew Tewksbury's contact information verified?

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

Last updated: July 26, 2026