# Gil Mandelzis

> Gil Mandelzis is the New York-based co-founder and CEO of Capitolis. He founded post-trade technology company Traiana in 2000, led it through its 2007 acquisition by ICAP, and subsequently ran EBS and EBS BrokerTec. His career connects entrepreneurship with the operation of financial-market infrastructure; an early venture was a Tel Aviv bar called Status.

- **Role:** CEO and Co-founder at Capitolis
- **Organizations:** Capitolis, Traiana, EBS, EBS BrokerTec, ICAP, Deutsche Bank Alex Brown / BT Wolfensohn, Euronext US Inc. (appointed non-executive director in 2018), Mehalev Initiative
- **Nationality:** Israeli and American
- **Education:** BA in Management and Sociology, magna cum laude, Tel Aviv University, MBA with distinction, INSEAD
- **Known for:** Built Traiana into a post-trade services business acquired by ICAP in 2007 for approximately $250 million., Subject of Lloyd Shefsky’s 2010 Kellogg case, Gil Mandelzis and Traiana: Value Is in the Eye of the Beholder., Received FX Week’s e-FX Achievement Award in 2012.

## Career timeline

- **Early 1990s** — Worked multiple jobs during college; subsequently worked in consulting and co-owned the Tel Aviv bar Status with four friends.
- **Before 2000** — Worked in the M&A group at Deutsche Bank Alex Brown, formerly BT Wolfensohn, in New York.
- **2000** — Co-founded Traiana in April.
- **2007** — Traiana was acquired by ICAP for approximately $250 million; he remained with the business.
- **2012** — Became CEO of EBS and executive chairman of Traiana.
- **2014** — Became CEO of the combined EBS BrokerTec business in December.
- **2016** — Announced his decision to step down from EBS BrokerTec.
- **2017** — Co-founded Capitolis with Tom Glocer and Igor Teleshevsky.
- **2018** — Appointed non-executive director of Euronext US Inc.
- **2026** — Led Capitolis as it announced an eSecLending acquisition agreement and a $220 million financing package.

## Achievements

- Built Traiana into a post-trade services business acquired by ICAP in 2007 for approximately $250 million.
- Subject of Lloyd Shefsky’s 2010 Kellogg case, Gil Mandelzis and Traiana: Value Is in the Eye of the Beholder.
- Received FX Week’s e-FX Achievement Award in 2012.
- Inducted into Profit & Loss Magazine’s Hall of Fame in 2013.
- Included in Institutional Investor’s Trading Technology 40 in 2015 and 2016.
- Recognised by Goldman Sachs at its Builders and Innovators Summit in 2025 and 2026.

## Latest updates

- **2026-10** — On October 14, Goldman Sachs recognised Mandelzis at its Builders and Innovators Summit for a second consecutive year.
- **2026-10** — On October 6, Capitolis announced $220 million in financing, including $120 million in Series E equity at a $1.9 billion valuation; Citi led the equity round.
- **2026-09** — On September 29, Capitolis announced an agreement to acquire eSecLending for $200 million in cash, subject to closing conditions including regulatory approvals and antitrust clearance.

## Links

- Website: https://capitolis.com/
- LinkedIn: https://www.linkedin.com/in/gilmandelzis/
- Twitter/X: https://twitter.com/GMandelzis

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Profile page: https://yespress.io/gil-mandelzis
Published by YesPress — https://yespress.io
Last updated: 2026-10-27