# Michael Gregory O’Hara

> Michael Gregory O’Hara is a startup investor at Certares. See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Certares](https://shizune.co/investors/profile/certares)
- Last updated: Aug 2026

Michael Gregory O’Hara is a startup investor at Certares. Michael Gregory (Greg) O’Hara is the Founder and a Senior Managing Director of the Firm. Prior to forming the Firm, he served as Chief Investment Officer of JPMorgan Chase’s Special Investments Group (“JPM SIG”). Prior to JPM SIG, Mr. O’Hara was a Managing Director of One Equity Partners (“OEP”), the private equity arm of JPMorgan. Before joiningOEP in 2005, he served as Executive Vice President of Worldspan and was a member of its Board of Directors. Mr. O’Hara is the Executive Chairman of American Express Global Business Travel, Chairperson of Hertz Global Holdings and Vice Chairman of Liberty TripAdvisor Holdings and serves on the Boards of Directors of TripAdvisor, The Innocence Project, World Travel & Tourism Council, Certares Holdings, where he is the Head of the Investment Committee and is a member of the Management Committee of Certares Management LLC, CK Opportunities Fund, where he is a member of the Investment Committee and the Management Committee, and Certares Real Estate Holdings, where he is a member of the Investment Committee and the Management Committee.

## About Certares

VC Fund · New York, United States

Certares is a group of seasoned private equity and operating executives with extensive industry, investment, transaction, and management experience. Certares investment activities are concentrated in several key sectors, including travel and tourism, hospitality, business and consumer services.

5 contacts available at Certares.

| Name | Title | Profile |
| --- | --- | --- |
| Dhiren Fonseca | Partner | https://shizune.co/investors/profile/dhiren-fonseca |
| Amy C. Stuart | Managing Director & Head of Capital Formation | https://shizune.co/investors/profile/amy-c-stuart |
| Colin Farmer | Senior Managing Director and Head of Management Committee | https://shizune.co/investors/profile/colin-farmer |
| Jennifer Zhao | Director, Capital Formation | https://shizune.co/investors/profile/jennifer-zhao |
| Michael Gregory O’Hara | Founder and a Senior Managing Director | https://shizune.co/investors/profile/michael-gregory-o-hara |

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