Ali Parsadoust

Chief Executive Officer, Director and Founder

Dr. Parsadoust is our founder and has served as our Chief Executive Officer and member of our board of directors since January 2013. Prior to founding Babylon Holdings, Dr. Parsadoust served as Chief Executive Officer at Circle, Inc., a healthcare services company, from January 2003 to December 2012. Previously, Dr. Parsadoust served in various roles at Goldman Sachs, including as Executive Director, between 1999 and 2001. Dr. Parsadoust holds a PhD in engineering physics and a B.A. from University College London.

Eugene I. Davis


Eugene I. Davis. Mr. Davis has served as the Chairman and Chief Executive Officer of PIRINATE Consulting Group, LLC, a privately held consulting firm specializing in turnaround management, merger and acquisition consulting, hostile and friendly takeovers, proxy contests and strategic planning advisory services for domestic and international public and private business entities since 1999. Mr. Davis was the President, Vice Chairman and a director of Emerson Radio Corporation, a consumer electronics company, from 1990 to 1997 and was the Chief Executive Officer and Vice Chairman of Sport Supply Group, Inc., a direct-mail marketer of sports equipment, from 1996 to 1997. Mr. Davis currently serves on the board of directors of F45 Training Holdings Inc., where he is Chairman of the Board. During the past five years, Mr. Davis was a director of the following public or formerly public companies: FTS International, where he was Chairman of the Board, Montage Resources Corp., Seadrill Limited, VICI Properties Inc., Verso Corporation, ALST Casino Holdco, LLC, Atlas Air Worldwide Holdings, Inc., Atlas Iron Limited, The Cash Store Financial Services, Inc., Dex One Corp., Genco Shipping & Trading Limited, Global Power Equipment Group, Inc., Goodrich Petroleum Corp., Great Elm Capital Corp., GSI Group, Inc., Hercules Offshore, Inc., HRG Group, Inc., Knology, Inc., SeraCare Life Sciences, Inc., Spansion, Inc., Spectrum Brands Holdings, Inc., Titan Energy LLC, Trump Entertainment Resorts, Inc., U.S. Concrete, Inc. and WMIH Corp. Mr. Davis received his Bachelor of Arts, Masters in International Affairs and Juris Doctorate from Columbia University.

Mairi Johnson

Chief Partnerships Officer and Director

Ms. Johnson has served on our board of directors since September 2015 and as Chief Partnerships Officer since May 2017. She also currently serves as an Investment Committee Member at Big Issue Invest, an investment fund for social enterprises, charities and profit-with-purpose businesses, since August 2015. Prior to joining Babylon Holdings, Ms. Johnson previously served as the Executive Director at Healthbox Accelerator, a healthcare services company, from 2013 to 2014. Previously, from January 2011 to February 2013, Ms. Johnson was the founder and chief executive officer, at Beat Red, a start-up company focused on activewear for teenage girls. Ms. Johnson also served in various roles, including Partner, at Circle Health, a health services company, between September 2005 and February 2008, and as an Executive Director at Goldman Sachs between June 2001 and August 2005. Ms. Johnson holds a M.Sc. from the London School of Economics and Political Science and a B.A. from University of Victoria.

David Warren


Mr. Warren has served on our board of directors and as the Chairman of our Audit Committee since 2021. Mr. Warren was Group Chief Financial Officer and an Executive Director of London Stock Exchange Group plc (LSEG) from July 2012 until November 2020. He also served as interim Chief Executive Officer from December 2017 to July 2018. Prior to LSEG, Mr. Warren was Chief Financial Officer of NASDAQ from 2001 to 2009 and Senior Adviser to the NASDAQ CEO from 2011 to 2012. Mr. Warren has held a number of senior financial and management roles in both the private and public sectors including Chief Financial Officer of the Long Island Power Authority (New York) and Deputy Treasurer for the State of Connecticut. Mr. Warren began his career in investment banking at then Credit Suisse First Boston.

Aidan de Brunner


Mr de Brunner has significant board, management, investment and advisory experience gained over 20 years across a range of companies. Recent appointments include The Trafford Centre Limited, McLaren Group Limited and London Southend Airport Limited amongst others. Mr de Brunner received his Bachelor of Science in Mechanical Engineering from Bristol University, his Masters of Science in International Development from the School of Oriental and African Studies and qualified in 2000 as a UK Accredited Chartered Accountant.