“We believe at Hennessy that you need 10 years of daily practice to become a good professional Hennessy taster,” says Renaud Fillioux de Gironde — an eighth-generation “Master Blender” with Hennessy.

Hennessy is the world’s largest producer of Cognac. It holds a dominant market position in the US, with a market share exceeding 60%. In addition to its core line of Cognac expressions, Hennessy has ...