John McMahon has more than 30 years of experience in commercial aviation, initially with Aer Lingus, GPA Group and GE Capital Aviation Services, before later holding senior management positions at debis AirFinance, Lloyds TSB Bank, and Wizz Air.

In 2006, he led the initial public offering and New York Stock Exchange listing of Genesis Lease Limited, an aircraft leasing company, where he served as chairman and chief executive officer until its merger with AerCap in 2010. Since then, he has served as a consultant, director and lecturer. His non-executive directorships include Airspeed Limited, BNP Paribas Ireland, Investec Aircraft Syndicate Limited, Turbine Engines Securitization Limited and Waypoint Leasing Limited.

Mr McMahon holds a bachelor of engineering degree from the National University of Ireland, Galway, and postgraduate diplomas in accounting and finance and computer modelling and simulation. He completed the Advanced Management Program at Harvard Business School and is a Chartered Director of the Institute of Directors.