Cazes completed his degree at the École nationale supérieure des mines de Paris (1958) (where he also played Rugby), then earned an M.S.

He was a sales manager at IBM France (1962–1971) and president of STAD (Empain-Schneider Group) (1971–1973), both in Paris.

[1] In 1973[1] or 1974 he returned to Pauillac, where his father was the longtime mayor, to manage the family's insurance and wine interests.

[6] Other properties include Chateau Villa Bel Air,[7] Château Les Ormes-de-Pez, Château Cordeillan-Bages in Pauillac converted into a hotel and a restaurant of two Michelin stars, L'Ostal Cazes in Languedoc, Domaine des Sénéchaux in Châteauneuf-du-Pape, Xisto in Portugal, and Tapanappa in Coonawarra, South Australia.

[2] Cazes began low key efforts to market his product to the People's Republic of China as early as 1990.