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John Barrus

John Barrus

VP of Product

John Barrus is VP of Product at Niobium, where he focuses on making privacy-preserving computation accessible to every developer. Previously he served as VP of Product Management at Groq and Product Manager for Cloud TPUs at Google. He holds a Ph.D. in Mechanical Engineering from MIT.

3 posts by John Barrus

The 153 Million License Breach: Predictable and Preventable

Sep 10, 2026

The 153 Million License Breach: Predictable and Preventable

153 million license scans were offered for sale on a dark-web marketplace. Encrypted compute can query sensitive data without creating the additional high-risk archive.

  • FHE Solutions
When An Asset Becomes the Liability

Jun 29, 2026

When An Asset Becomes the Liability

How a wave of state privacy laws is turning collected data into carried risk.

  • Culture
Why I Joined Niobium - John Barrus

Apr 14, 2026

Why I Joined Niobium - John Barrus

Niobium's VP of Product explains why he joined the company make fully homomorphic encryption practical for real-world use, and why encrypted compute is urgent.

  • Culture