Assertion Not publicly verifiable AI assessment confidence: 85% certainty 3/5 debate potential 1/5

Foster: Sideris Merged into a Combined $1B Cybersecurity Firm

Eric Foster · How his AI-first services company grew $0 to $40M ARR in one year. | Eric Foster, Founder of Tenex · PMF Show · Dec 1, 2025 · at 14:19

Tenex founder Eric Foster explains the valuation and structure of the private equity deal that merged his company Sideris with Shark Tank star Robert Herjavec's cybersecurity business.

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“When we put the two companies together, it was essentially a billion dollar company. So, you know, we basically built about a, call it four or five hundred million dollar, two companies coming together to create that merged billion dollar company.”

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