Stefani Cellars is a wine consulting company specializing in collector services and wine collection management. This includes advising new collectors and enthusiasts, growing existing collections, software management, and selling collections. Catherine Stefani has over 20 years experience in the wine industry in sales, buying, winemaking and personal wine advising.

Catherine is a Certified Sommelier through the Court of Master Sommeliers and has passed the Advanced Certificate through the W.S.E.T. with Merit and is now pursuing a Master Certificate of Champagne through the Wine Scholar Guild.