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MEET THE TEAM

Meet the Team

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Welcome to the Oneiros Aerospace family, where innovation meets expertise. Meet our visionary leaders - Mark, the Founder and CEO, an entrepreneurial force driving international success. Together, their diverse skills form the backbone of our dynamic team, propelling us towards new heights in the aerospace industry.

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Mark Breen

Mark Breen

CEO and Founder

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David Leman

Partner, People & Transformation

25+ years spanning CEO, COO, and other Board roles at carriers including Saudia, Oman Air, Cebu Pacific, Arajet, and Flyadeal. Led the most significant European airline insolvency transformation of the past decade, 13 months embedded, and built Saudi Arabia's first low-cost carrier from scratch as founding CEO and board member.

 

As EVP Group Transformation at a major Middle Eastern airline holding company, directed restructuring across three airlines, MRO, cargo, and training. Cranfield University MSc (College of Aeronautics), Harvard Business School (PLD17), PhD candidate in Sustainable Aviation Fuel at Dublin City University. Member of the Institute of Directors (Ireland and UK)

 

         

           mark@oneiros.aero

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Global HR and transformation practitioner with senior leadership across aviation and hospitality on three continents. Former CHRO of Marriott Hotels (Middle East and Africa) and VP Human Resources at Qatar Airways. Extensive experience in HR operating model transformation, industrial relations, works council engagement, and organisational restructuring across legacy, LCC, and ULCC carriers.

 

Led HR transformation projects across Caribbean and Latin American carriers, and full organisational redevelopment for a regional aviation group. INSEAD (Senior Leadership), IMD Lausanne, University of Liverpool MSc (Global HR Management). Founder and owner of a luxury hotel in Corfu, Greece.

         

           david@oneiros.aero

  • LinkedIn

Join the Team

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Join the partner team at Oneiros! We are constantly looking for passionate individuals to join our expanding team. If you are driven by the challenge of start up or transformation for our clients and want to partner with a team that values growth and innovation, we want to hear from you. Connect with us to explore how your expertise aligns with our vision. 

partners@oneiros.aero

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