Current

• M.J.McMahon & Company Limited Managing Director - advisory/consultancy/training with a focus on commercial aviation, aircraft/asset finance, private equity, business start-up and development.
  
•     Non-executive directorships include Genesis Aircraft Services Limited and a number of aviation asset investment companies.
•     University of Limerick, Ireland Adjunct Professor, Kemmy Business School - Lecturer: MBA ('Airline/Corporate Finance' and 'Aircraft Leasing' courses) / Post-Graduate Diploma in Aviation Leasing & Finance.

Previous

• BNP Paribas Ireland (Chairman) (2010-2019)
• Wizz Air Holdings plc (Senior Independent Director / Audit Ctte  / Nominations Ctte) (2012-2018)
• AirLink Advisory Council Member - an initiative that connects humanitarian relief and rescue organizations with air transportation (2010-2018)
• Genesis Lease Limited (now AerCap) (2006-2010) Chairman and CEO - a global aircraft leasing company listed on the New York Stock Exchange. IPO 2006. Merged with AerCap (NYSE: AER) in 2010. 
• AVIMCO Limited (2004-2006) Managing Director - specialist advisor to clients making investment decisions in commercial aviation.
• Lloyds TSB Bank (2003-2004) Deputy Managing Director, Strategic Asset Finance - Infrastructure, Commercial Property, Public Private Partnerships, Project Finance and Transportation Equipment (Ships, Rail, Aircraft)
• debis AirFinance (now AerCap) (1995-2003) Managing Director - instrumental in developing the company from a start-up into a major global business (225 aircraft leased to 90 airlines in 42 countries).
• GE Capital Aviation Services / GPA Group (1990-1995) Vice President, Capital Markets / Director, GPA Japan
• Aer Lingus (1986-1990) Fleet Planning / Route Planning / Operations Research
• Gibson O'Connor (now part of WYG) (1983-1986) Civil/Structural Design Engineer

Education / Professional Development

• Bachelor of Engineering (Civil) (Honours) National University of Ireland, Galway
• Post-Graduate Diploma in Computer Modelling & Simulation University of Dublin, Trinity College
• Post-Graduate Diploma in Management for Engineers & Scientists University of Dublin, Trinity College
• Certified Diploma in Accounting & Finance Association of Chartered Certified Accountants (ACCA)
• Daimler-Benz Management Programme Ecole des Haute Etudes Commerciales, Paris / London Business School / European School of Management & Technology, Berlin
• Advanced Management Program Harvard Business School
• Chartered Director / Diploma in Company Direction Institute of Directors
• Directors College 2013 Stanford University Law School
• Professional Certificate: Data Science & Big Data Analysis Massachusetts Institute of Technology (MIT xPRO)