# Ambuj Kumar

> Ambuj Kumar is the co-founder and CEO of Simbian, an AI-native security company building autonomous AI agents that run security operations 10x faster than human teams. A Gold Medalist from IIT Kanpur and Stanford EE graduate, he spent eight years designing NVIDIA's early GPUs before pivoting to security - where he invented Confidential Computing, raised $135M for Fortanix, and is now betting that AI agents can solve the industry's 3.5-million-person talent gap. With 100+ patents and recognition from IIT Kanpur's Distinguished Alumni Award 2025, Kumar stands at the intersection of the GPU revolution he helped build and the AI security era he is now shaping.

- **Role:** Co-founder and CEO at Simbian
- **Organizations:** Simbian, Fortanix, NVIDIA, Cryptography Research Inc., IIT Kanpur (alumnus), Stanford University (alumnus)
- **From:** Bihar, India
- **Nationality:** Indian-American
- **Education:** B.Tech, Electrical Engineering (Gold Medalist), IIT Kanpur, M.S., Electrical Engineering, Stanford University
- **Known for:** Gold Medalist at IIT Kanpur (B.Tech, Electrical Engineering), Designed early GPU generations at NVIDIA - hardware that now powers the AI revolution, Invented Confidential Computing, the first commercially successful technology for data-in-use encryption

## Career timeline

- **1998-2002** — B.Tech in Electrical Engineering at IIT Kanpur, graduated as Gold Medalist
- **2002-2010** — Lead Engineer at NVIDIA, designed early GPU generations and the world's fastest memory controllers, joined as approximately the 500th employee
- **2003-2005** — M.S. in Electrical Engineering at Stanford University (completed while working at NVIDIA)
- **2010-2016** — Chief Architect at Cryptography Research Inc., developed security technologies deployed in millions of devices
- **2016** — Co-founded Fortanix, pioneering Confidential Computing - the first commercially successful technology for data-in-use encryption
- **2016-2022** — CEO of Fortanix, raised $135M+ in funding; IBM, Intel, and Goldman Sachs adopted the technology
- **2022-2023** — Founded Simbian with co-founder Alankrit Chona (former Twitter engineer)
- **2024-04** — Simbian raises $10M oversubscribed seed round from Gokul Rajaram, Cota Capital, Icon Ventures, Firebolt, and Rain Capital
- **2024** — Earns 2024 Security Innovator Award from Security Business magazine / SecurityInfoWatch.com
- **2025** — Wins IIT Kanpur Distinguished Alumni Award 2025 for pioneering work in cybersecurity and Confidential Computing
- **2025-2026** — Simbian achieves #1 position in AI SOC ARR and announces record-breaking growth

## Achievements

- Gold Medalist at IIT Kanpur (B.Tech, Electrical Engineering)
- Designed early GPU generations at NVIDIA - hardware that now powers the AI revolution
- Invented Confidential Computing, the first commercially successful technology for data-in-use encryption
- Raised $135M+ for Fortanix as co-founder and CEO
- Holds 100+ patents across computer science, cryptography, and cloud computing
- 2024 Security Innovator Award (Security Business magazine / SecurityInfoWatch.com)
- IIT Kanpur Distinguished Alumni Award 2025
- Simbian reached #1 in AI SOC ARR
- Simbian AI agents reported to eliminate 90%+ of routine SOC tasks
- Fortanix technology trusted by IBM, Intel Corporation, and Goldman Sachs

## Latest updates

- **2026-02** — Simbian announces record-breaking growth fueled by superintelligence for security operations, reaching #1 in AI SOC ARR
- **2025** — Wins IIT Kanpur Distinguished Alumni Award 2025 for pioneering work in cybersecurity and Confidential Computing
- **2024** — Earns 2024 Security Innovator Award in the Cybersecurity Providers category
- **2024-04** — Simbian closes $10M oversubscribed seed round with investors including Gokul Rajaram (Coinbase board), Datadog CEO Olivier Pomel, and Nile CEO Pankaj Patel

## Links

- Website: https://simbian.ai
- LinkedIn: https://www.linkedin.com/in/ambujkumar
- Twitter/X: https://x.com/ambuj0

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Profile page: https://yespress.io/ambuj-kumar
Published by YesPress — https://yespress.io
Last updated: 2026-05-13