Navistar International Corporation announced that Friedrich Baumann has accepted the role of president, Sales, Marketing and Aftersales. Baumann will be responsible for the complete commercial process for customers and dealers and will continue to serve as liaison with Navistar's alliance partner, TRATON Group. He will work closely with Michael Cancelliere, who has elected to retire after a successful 40-year career with Navistar, to ensure a smooth transition. Phil Christman has additional responsibilities in his role of president, Operations. He will lead Navistar's global operations, including the Brazil, Mexico and Global Export businesses. This is in addition to his oversight of procurement, product development, manufacturing and supply chain.