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Approximate number of wine estates that employ Michel Rolland as their consultant, including many of the most exclusive wineries in the world. Based in Bordeaux (but often found on an air plane), Rolland is the most influential (and expensive) wine consultant in the world. His clients are spread across 14 countries from India to Brazil, to the U.S. Rolland also owns multiple estates in Bordeaux and joint ventures in South Africa, Argentina and Spain.