The Allstate Corporation has made a series of changes to its senior leadership team, including the placement of Mario Rizzo as Chief Operating Officer, responsible for the Property-Liability and Protection Services businesses.Rizzo, who was previously President of Property-Liability, has held numerous senior roles during his 33 years at Allstate, including Executive Vice President and Chief Financial Officer of The Allstate Corporation and Allstate Insurance Company.Earlier in his career, he served as Chief ...