The Board of Directors of Diageo has appointed Sir Dave Lewis as its new Chief Executive Officer and Executive Director, effective Jan. 1. Lewis will take over from Interim CEO Nik Jhangiani, who will return to his prior CFO role in the new year. Deirdre Mahlan, who has been serving as Interim CFO, will continue to provide support through the transition. The company said that Lewis is “a proven CEO with extensive marketing and brand-building experience. He has an outstanding track record leading global consumer businesses, growing world-class brands and providing operational and financial rigor.” Lewis served as Group CEO of Tesco and, prior, spent nearly three decades at Unilever, leading both marketing and business performance.