Group 1 - Yum Brands is introducing a chief scale officer position aimed at enhancing franchisee returns, maximizing unit economics, and driving restaurant profitability [3][4] - The chief scale officer will oversee global functions such as supply chain, franchise office, food safety, and quality assurance, reflecting Yum's extensive network of over 60,000 restaurants [4] - Sean Tresvant, CEO of Taco Bell, has been appointed as Yum's chief consumer officer, focusing on improving consumer insights and brand relevance [5][8] Group 2 - Jim Dausch has been promoted to oversee Yum's digital infrastructure and consumer personalization, as the company aims to expand its use of artificial intelligence [6][8] - Pizza Hut U.S. has transitioned to Byte's digital ordering systems, which will facilitate AI-driven recommendations for team members [7] - Ranjith Roy has been promoted to chief financial officer, succeeding Chris Turner, who has taken on the CEO role [8]