AviaMediaTech Advisory Board

Antoine Gelain

Antoine Gélain has 25 years of professional experience in international business development and senior advisory roles at CEO-level, mostly in the aerospace & defense (A&D) industry.

He started his career working for two of the leading European A&D companies (Matra Défense and Aérospatiale, now both part of Airbus Group) in commercial management and business development roles, in particular in the Asia-Pacific region. Later on, Mr. Gélain worked with the international management consulting firm Booz Allen & Hamilton, based in London, where he led the A&D team and advised international companies and governments on strategic and business issues.

He has been running his own consulting business – Paragon European Partners (formerly Octagon Partners) for the past 12 years, offering strategic and transaction advisory services to corporate clients and private equity investors active in the aerospace, defense and related industries, including deal engineering, assistance to business development and corporate venturing projects. Mr. Gélain also acts as A&D Practice Leader for Candesic Ltd, a consulting firm specialized in commercial and strategic due diligence work for private equity funds, and is the co-founder of Culture at Work, a research and training organization specialized in the optimization of human potential at work (

Mr. Gélain graduated from ESSEC Graduate School of Management in France and holds an MBA from Harvard Business School. He is a contributing columnist for Aviation Week & Space Technology (

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