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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.
2 posts by John Barrus
Jun 29, 2026
When An Asset Becomes the Liability
How a wave of state privacy laws is turning collected data into carried risk.
- Culture
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