Don Julio - Anejo is an approachable tequila that has aged for 18 months in American white oak casks that were previously used to age bourbon whiskey. First created by 17-year-old Don Julio Gonzalez in 1942, Don Julio was one of the first-ever luxury tequila brands. He chose quality over quantity – a decision that eventually turned Don Julio into highest valued tequila brand in the world.