Cummins executive Pamela Carter, the first woman to lead one of the company's four main business units, will retire as president of the Distribution Business effective April 1, 2015. Carter joined Cummins in 1997, initially serving as the company's Vice President - General Counsel and Corporate Secretary. Prior to joining Cummins, she served as the state of Indiana's first African American woman Attorney General. In a press release issued by the company earlier today, Cummins Chairman and CEO Tom Linebarger hailed Carter as a pioneer and top leader.