He started his career as an airline pilot at Air Algérie (1973–1974) and moved to Aéropostale where he did night flights from 1974-1976.
The centenary of the club took place during his presidency, and he organized a major exhibition of planes in Paris on the Champs-Élysées to celebrate it.
Between 2005 and August 2010, Gérard Feldzer was head of the Musée de l'Air (French Air and Space Museum) at Le Bourget.
He also founded the "Les ailes de la ville" scheme, which provides training and integration for young suburban people through repairing and constructing aircraft.
[6] As Founder and President of the "Transports passion" association, he has organized their annual meetings, exhibitions and events on ecomobility since 2005.