On the heels of the announcement earlier this week that Diageo and Wirtz Beverage have formed a brokerage agreement in Canada, Diageo has announced that Claudia Schubert, president of Diageo Chateau and Estate Wines (DC&E), is transitioning into the role of president, control states and Canada, effective July 1. Stephen Rust, who has been overseeing Diageo's Reserve spirits division, which includes brands such as Johnnie Walker, Ciroc, Zacapa etc, will take on the role as president, Reserve and DC&E.