# Shai Gabay

> Shai Gabay is co-founder and CEO of Trustmi, an end-to-end B2B payment security platform he started in 2021 with Eli Ben-Nun. Trustmi uses behavioral AI to catch business payment fraud, vendor impersonation and process errors in real time. Gabay was an amateur hacker at 13, served in Israel's Unit 8200, and before Trustmi ran security and product for banks and cyber companies including Discount Bank, Cyberbit, Cynet and Opera.

- **Role:** Co-Founder & CEO at Trustmi
- **Organizations:** Trustmi, Forbes Technology Council
- **From:** Israel
- **Nationality:** Israeli
- **Education:** B.Sc. Software Engineering, Shenkar College, MBA / Business Administration, Tel Aviv University, Executive Excellence Program (scholarship), Hoffman Kofman Foundation
- **Known for:** Co-founded Trustmi; raised $25M total, including a $17M Series A in 2023, Trustmi safeguards ~$185B in transactions and reports preventing $5B in errors and fraud, Customers include Deloitte, Colgate-Palmolive and Chipotle

## Career timeline

- **~age 13** — Amateur hacker; first taste of cybersecurity
- **IDF service** — Served ~8 years in Unit 8200 and Sayeret Matkal
- **early career** — CISO at Israel Discount Bank
- **later** — CIO at Cyberbit
- **later** — VP of Product & Services at Cynet
- **later** — General Manager at Opera
- **2021** — Co-founded Trustmi with Eli Ben-Nun
- **2023-07** — Trustmi closed $17M Series A led by Cyberstarts and Oren Zeev
- **2024** — Featured on Leaders in Payments (Ep. 356) and Forbes Technology Council

## Achievements

- Co-founded Trustmi; raised $25M total, including a $17M Series A in 2023
- Trustmi safeguards ~$185B in transactions and reports preventing $5B in errors and fraud
- Customers include Deloitte, Colgate-Palmolive and Chipotle
- Selected for the Hoffman Kofman Foundation executive excellence scholarship
- Member of the Forbes Technology Council

## Latest updates

- **2025-12** — Published 'Hacker-Tested, Security-Leader Approved: Five Steps to Stop Modern Fraud' in Infosecurity Magazine.
- **2025-09** — Appeared on TechStrong TV discussing AI-powered cybercrime versus legacy fraud defenses.
- **2024-10** — Guest on Leaders in Payments podcast, Episode 356.

## Links

- Website: https://trustmi.ai
- LinkedIn: https://www.linkedin.com/in/shaigabay/
- YouTube: https://www.youtube.com/watch?v=S7ERrwKEMDE

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Profile page: https://yespress.io/shai-gabay
Published by YesPress — https://yespress.io
Last updated: 2026-07-08