# Michael Mosher

**Cybersecurity Executive**

## About

Michael Mosher is a two-time CISO - at Rover, the worlds largest pet-care marketplace, and at OpenMarket, a global SaaS messaging provider - and previously led security strategy, architecture, and engineering at T-Mobile, directing a $100M+ annual security capital program. He was also a Senior Managing Director in PwCs cybersecurity practice and - earlier in his career - a US Army CID Supervisory Special Agent and hostage negotiator. He is board-certified in cyber-risk oversight (NACD.DC, DDN QTE), holds two US patents in mobile security, and writes two publications on AI governance and startup security. He is currently writing a book on securing the agentic enterprise. Michael is based in Paris, where he is enrolled in the Executive MBA program at HEC Paris.

## Speaking At

- [RBLN Europe 2026 - Amsterdam](https://www.rbln.com/events/2026/europe)

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*Source: [RBLN (Rebellion) Cybersecurity Conference – Technical Security Event for Hackers, AI Builders & Operators](https://www.rbln.com/speakers/michael-mosher)*