# Guy Tytunovich

> Guy Tytunovich is the co-founder and CEO of CHEQ, a cybersecurity company protecting digital marketing, sales, and customer interactions. A former Israeli military intelligence officer and co-founder of AdZouk and BigaBid, he has helped develop the go-to-market security category and now focuses on trust, identity, and intent across human and AI-agent traffic.

- **Role:** Co-Founder & CEO at CHEQ
- **Organizations:** CHEQ, AdZouk, BigaBid
- **Nationality:** Israeli
- **Known for:** Co-founded and leads CHEQ., Helped develop go-to-market security for marketing, sales, and web operations., Led CHEQ at the time of its $150 million Series C announced in February 2022.

## Career timeline

- **2003** — Joined the research wing of Israeli defense intelligence through Haman Talpiot, according to his 2019 interview.
- **Before CHEQ; dates unverified** — Co-founded AdZouk and BigaBid following military intelligence service.
- **2016** — Founded CHEQ; this is the date used in his 2019 and 2021 interviews, although a 2018 interview gives 2014.
- **2019** — CHEQ began New York operations.
- **2022** — CHEQ announced a $150 million Series C led by Tiger Global.
- **2025** — CHEQ announced its acquisition of Deduce on January 30.
- **2026** — CHEQ announced Agent Intent on June 17, ahead of its June 22 Cannes Lions launch.

## Achievements

- Co-founded and leads CHEQ.
- Helped develop go-to-market security for marketing, sales, and web operations.
- Led CHEQ at the time of its $150 million Series C announced in February 2022.
- Led CHEQ during the January 2025 acquisition of identity-fraud technology company Deduce.
- CHEQ reported serving more than 15,000 companies in January 2025.

## Latest updates

- **2026-09** — In a September 17 CTech interview, warned that AI-generated content and automated accounts could intensify election influence campaigns and called for regulation; these are his assessments.
- **2026-06** — CHEQ announced Agent Intent on June 17, with a June 22 Cannes Lions launch date.
- **2025-04** — Discussed CHEQ’s origins, buyer education, AI, and its detection engine in a Boardroom Club interview.
- **2025-01** — CHEQ announced the acquisition of Deduce on January 30.

## Links

- Website: https://cheq.ai/
- LinkedIn: https://www.linkedin.com/in/guytytunovich/

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Profile page: https://yespress.io/guy-tytunovich
Published by YesPress — https://yespress.io
Last updated: 2026-10-25