# Yotam Segev

> Yotam Segev is the Israeli co-founder and CEO of Cyera, the New York-based data security company he started with Tamar Bar-Ilan in 2021. After meeting in the Talpiot program and working together on cloud security in Unit 8200, the pair changed their first product concept in response to customer interviews. Segev later moved to New York, worked through a quarter with no sales, and led Cyera as it expanded into AI and identity security.

- **Role:** Co-founder and CEO at Cyera
- **Organizations:** Cyera, Israeli military intelligence Unit 8200, Talpiot program
- **Nationality:** Israeli
- **Education:** The Hebrew University of Jerusalem
- **Known for:** Co-founded Cyera in 2021 and helped move its product focus from a complex cloud data tracking concept to discovering and classifying sensitive data., Led Cyera through a difficult first sales year and expansion into the United States., Led Cyera as it announced a $600 million Series G at a $12 billion valuation in June 2026.

## Career timeline

- **2009–2010** — Volunteered as a youth counselor at Manof Youth Village, according to his LinkedIn profile.
- **2010–2013** — Studied at the Hebrew University of Jerusalem in the Talpiot program.
- **2014 onward** — Lists volunteer service as a Big Brother on LinkedIn.
- **Before 2021** — Worked with Tamar Bar-Ilan on cloud security in Unit 8200 and served as a senior class commander in the Talpiot Leadership Academy.
- **2021** — Co-founded Cyera with Tamar Bar-Ilan.
- **2022** — Moved to New York to work closer to US customers during Cyera’s difficult early sales period.
- **2024** — Cyera acquired Trail Security and reported a $300 million Series D at a $3 billion valuation.
- **2025** — Cyera announced a $540 million Series E at a $6 billion valuation.
- **2026** — Cyera announced a $600 million Series G at a $12 billion valuation, completed its Oasis Security acquisition and added a $400 million Goldman Sachs extension to the Series G.

## Achievements

- Co-founded Cyera in 2021 and helped move its product focus from a complex cloud data tracking concept to discovering and classifying sensitive data.
- Led Cyera through a difficult first sales year and expansion into the United States.
- Led Cyera as it announced a $600 million Series G at a $12 billion valuation in June 2026.
- Oversaw Cyera’s expansion into data loss prevention, identity and AI agent security, including the completed Oasis Security acquisition in September 2026.

## Latest updates

- **2026-09** — Cyera announced a $400 million Goldman Sachs Alternatives extension to its Series G on September 22, bringing the round to $1 billion while retaining a valuation above $12 billion.
- **2026-09** — Cyera completed its $1 billion acquisition of Oasis Security, adding non-human identity capabilities to its platform.
- **2026-06** — Segev announced Cyera’s $600 million Series G at a $12 billion valuation.
- **2026-04** — In a joint interview with Tamar Bar-Ilan, he discussed the company’s difficult first sales year, his move to New York and the goal of building a global data security company.

## Links

- Website: https://www.cyera.com/team/yotam-segev
- LinkedIn: https://www.linkedin.com/in/yotam-segev

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Profile page: https://yespress.io/yotam-segev
Published by YesPress — https://yespress.io
Last updated: 2026-09-29