Stéphane Derenoncourt is a French vigneron working as a consultant for numerous estates in Bordeaux and other wine producers worldwide. With his wife, Christine Derenoncourt, he runs Vignerons Consultants and owns Domaine de l'A in the Côtes de Castillon and Derenoncourt California in Napa Valley. He is entirely self-taught.

Château Canon-la-Gaffelière is a Bordeaux wine from the appellation Saint-Émilion, ranked Premier Grand Cru Classé B in the Classification of Saint-Émilion wine. The winery is located in the Right Bank of France's Bordeaux wine region in the commune of Saint-Émilion, in the department Gironde.