Timothy J. Sloan took over the CEO position of Wells Fargo because of a scandal involving what?
Timothy J. Sloan:  He is the chief executive officer (CEO) of Wells Fargo since October 2016, when he succeeded John Stumpf, having previously been chief operating officer (COO) and president. John Stumpf:  On October 12, 2016, Stumpf announced his retirement as chairman and CEO of effective immediately, following a scandal involving customer accounts and subsequent pressure from the public and lawmakers.
customer accounts