Current CMO Julie Bramham will move into a global role within the brand as Warrier joins from PepsiCo.
Julie Bramham oversees the marketing and product portfolio of dozens of brands in a critical market for Diageo, and does so while promoting progressive gender portrayals.
Drinks giant said closure of bars and restaurants was having 'significant impact on the performance of our business'.
Drinks giant reached decision despite coronavirus outbreak.
Drinks giant reported organic sales growth of 4% in last six months of 2019.
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