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Greg O'Hara – Founder and Managing Partner

Michael Gregory (Greg) O’Hara is the Founder of Certares. Prior to forming Certares, Greg served as Chief Investment Officer of JPMorgan Chase’s Special Investments Group. Before this, Greg served as a Managing Director with One Equity Partners, the private equity arm of JPMorgan. Prior to joining One Equity Partners in 2005, he served as Executive Vice President of Worldspan and was a member of its Board of Directors. Earlier in his career, Greg was a management partner with several investment companies, served as Senior Vice President of Sabre, worked in various capacities for Perot Systems and was involved in several entrepreneurial endeavors.

Greg is the Executive Chairman of American Express Global Business Travel and serves on the Board of Directors of Travel Leaders Group. He has previously served as a director on a number of company Boards including Carlson Wagonlit Travel, Travelport, Worldspan Technologies and TV Guide Network.

Greg holds a Master of Business Administration degree from Vanderbilt University.

Colin Farmer – Managing Partner

Colin Farmer is a Managing Partner with Certares. Prior to joining Certares, Colin served as a Managing Director with One Equity Partners, the private equity arm of JPMorgan. Prior to joining OEP, he worked for eight years at Harvest Partners, a middle market private equity firm, and for two years at Robertson Stephens & Company, a middle market investment bank. Colin serves on the Board of Directors of Expert Global Solutions, a leading private customer relationship management company.

Colin holds an A.B. in English Literature from Princeton University.

Chris Ahrens – Partner

Chris Ahrens is a Managing Partner with Certares. Prior to joining Certares, Chris served as a Managing Director with One Equity Partners, the private equity arm of JPMorgan, where he was active in various healthcare, technology and travel industry investments. Prior to joining OEP, he worked at Goldman Sachs.

Chris holds an A.B. in Modern European History from Princeton University.

Gil Ahye – Partner

Gil Ahye is a Partner with Certares. Most recently, Gil served as Executive Vice President - Chief Development Officer of American Express from 2003 - 2014. Gil held various roles at American Express since he joined in 1981. Prior to that, Gil was head of Capital Budgeting for International Paper Company and also worked at Union Carbide Corporation and Ernst & Young.

Gil is the Vice Chairman of American Express Global Business Travel. Gil serves as an Independent Director on the Board of TriplePoint Venture Growth BDC Corp and serves as an Advisor to the Board of Lianlian Pay Inc. Gil also serves on the Board of Henry Street Settlement.

Gil holds a Bachelor of Science degree from Manhattan College, a Master of Business Administration from St John’s University and is a non-practicing CPA.

Henry Briance – Partner

Henry Briance is a Partner with Certares. Prior to joining Certares, Henry served as a Managing Director with One Equity Partners, the private equity arm of JPMorgan, where he started in 2006. While at OEP, Henry focused primarily on investments in the Business Services and Travel sectors, and served on the Board of Directors of several portfolio companies including Expert Global Solutions, Travel Leaders Group, and TV Guide Network.

Henry holds a Bachelor of Arts degree from the University of Cambridge.

Dhiren Fonseca – Partner

Dhiren Fonseca is a Partner with Certares. Most recently he served as Chief Commercial Officer for Expedia, Inc. from 2012 through April 2014, and prior to that role, served as Expedia’s Co-President, Partner Services Group from 2009 through 2012. Previously he served as Senior Vice President, Corporate Development and Strategy from 2005, and prior to this held several roles responsible for development of external facing relationships and business development at Expedia, Inc. Prior to Expedia, Dhiren was a longtime Microsoft Corporation employee, and a member of the management team responsible for creating Expedia.com in 1995, while still part of the Microsoft Corporation.

Dhiren currently serves on the Boards of Directors for Caesars Acquisition Company (NASDAQ:CACQ) and Alaska Airlines (NYSE: ALK).

David Lande – Partner

David Lande is a Partner with Certares and a senior partner at Ziffren Brittenham LLP. Over his career he has provided broad strategic advice and consulting to his clients which include investment funds, media and technology businesses, Grammy Award winning artists, actors and some of the most successful and iconic cultural brands of our generation.

David holds both a bachelor degree and a Juris Doctor degree from the University of Pennsylvania.

Pilar Lorente – Chief Financial Officer

Pilar Lorente is Chief Financial Officer with Certares. Most recently, Pilar served as Chief Financial Officer and Chief Compliance Officer of Arsenal Capital Partners from August 2006 through March 2014. Previously she served as Chief Financial Officer of Spire Capital Partners from 2000 and, prior to that, as Chief Financial Officer of Jupiter Partners from 1994. Pilar started her career at Arthur Andersen.

Pilar holds a Bachelor of Arts degree from Connecticut College, a Master of Business Administration from Pace University and is a non-practicing CPA.

Spencer Marsden – Partner

Spencer Marsden is a Partner and the General Counsel of Certares. Spencer began his career at Cravath, Swaine & Moore and prior to joining Certares was part of the private equity practice at Jones Day. Spencer has advised leading private equity funds and Fortune 500 Companies on mergers and acquisitions, leveraged buyouts, asset purchases and divestitures, capital market transactions, corporate governance and other general corporate matters. Throughout his career Spencer has advised and been part of deal teams responsible for closing transactions totaling over $60 billion in value.

Spencer holds a Juris Doctor degree from Columbia Law School and a Bachelor of Arts degree from the University of Utah.

Tom LaMacchia – General Counsel

Tom LaMacchia is the General Counsel of Certares. Prior to joining Certares, Tom was the Senior Legal Counsel with the Qatar Investment Authority where he advised QIA on its major international corporate and real estate investments, including its investment into American Express Global Business Travel and Travel Leaders Group. Prior thereto, he was a partner at White & Case in Tokyo where he specialized in M&A transactions and investment fund formation and investment. He began his legal career at Simpson Thacher & Bartlett in New York.

Tom holds a Juris Doctor degree from Georgetown University Law School where he graduated summa cum laude and a B.S.E. in Aerospace Engineering from Princeton University.

David Robakidze – Partner

David Robakidze is a Partner with Certares. Prior to joining Certares, David was a Managing Director of One Equity Partners, the private equity arm of JPMorgan from 2008 through 2014. Earlier in his career, David was Head of Merchant Banking at Ener1Group Inc., a New York investment firm with holdings in alternative energy, media and technology. Prior to that he founded and served as President of RH Capital LLC, deploying US capital in emerging markets opportunities.

David holds a Masters Degree in International Finance and Policy from Columbia University, an M.B.A. from Emory University and a bachelor’s degree in International Politics at Georgetown University’s School of Foreign Service.

Andrew Winterton – Partner

Andrew Winterton is a Partner with Certares. Andrew previously served as president of Suppliers, Products and Technology for Carlson Wagonlit Travel. During his time at Carlson Wagonlit Travel, Andrew was responsible for leading the Global Supplier Management team as well as the IT and product management organizations. Andrew has broad experience in travel and distribution, having started in the travel industry with Official Airlines Guide where he became regional director of Asia Pacific, based in Hong Kong. Andrew subsequently joined Galileo where he was promoted to Vice President, Airline Vendor Account Management. In 2000, he joined American Express as Vice President, Supplier Relations North America and Global Distribution Strategy where his last responsibilities included leadingGlobal Supplier Relations, Travel Service Network International and Latin America.

Andrew holds a Bachelor of Science degree in Mechanical Engineering from London's Imperial College.

Michael Sale – Senior Associate

Michael Sale is an Senior Associate with Certares. Prior to joining Certares, Michael served as an investment banking analyst with Macquarie Capital where he worked on a variety of M&A, debt, equity and principal investment transactions for the Technology, Media and Telecommunications Group.

Michael holds a Bachelor of Arts degree in Political Science with a Minor degree in Science, Technology and Society from the University of Pennsylvania.

Zachary Lazar – Associate

Zachary Lazar is an Associate with Certares. Prior to joining Certares, Zachary worked at TMG Partners, LP, a real estate private equity firm, as an analyst. Previously, Zach served as an investment banking analyst with Credit Suisse where he worked on a variety of M&A, debt and equity financing transactions for the Technology, Media, and Telecommunications Group.

Zachary holds a Bachelor of Arts degree in History from the University of Pennsylvania.

Michael Batt – Advisor

Michael Batt is an Advisor to Certares and the Founder and Chairman of Travel Leaders Group. Prior to his role as Founder of TLG, Mr. Batt served as an executive with Carlson Companies where he was President of Carlson Leisure Group and a Board member of Carlson Wagonlit Travel. He joined Carlson in 1996 and was responsible for leisure travel operations in the US for 11 years as well as Carlson’s investment in the Thomas Cook Group in the UK.

Before joining Carlson, Mr. Batt was Executive Vice President, sales and marketing for Alamo Rent-A-Car. Prior to Alamo, Mr. Batt served as Marketing Director (and member of the executive board) of British Airways. Mr. Batt started his business career working for M and M Mars, enjoying a 12-year tenure with the company in various sales and brand management positions working in the United Kingdom, Spain, Africa and the Middle East.

Mr. Batt was inducted into the British Travel Industry Hall of Fame in 2014. Mr. Batt is a native of the United Kingdom and holds a Bachelor of Science in Economics and Materials from the University of Wales.

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