O‘LearyThe Board of Management of Daimler Truck AG has appointed John O’Leary as the next president and CEO of Daimler Trucks North America (DTNA) with its brands Freightliner Trucks, Western Star Trucks, Thomas Built Buses, Freightliner Custom Chassis Corp. and Detroit Diesel Corp.
Effective April 1, O’Leary follows Roger Nielsen, who retires effective April 30 after 35 years in the company, the last four years as its president and CEO.
O’Leary started at DTNA with Freightliner in 2000. After establishing internal transformation processes, he led the U.S. school bus business as the president and CEO of Thomas Built Buses. From 2010, O´Leary was the senior vice president for the aftermarket business before becoming the CFO of DTNA in 2012 under then-president Martin Daum and Roger Nielsen. Since September 2020, O’Leary has been the chief transformation officer for Mercedes-Benz Trucks in Germany, laying the foundation for its transformation and profitability improvement.
Nielsen has been the president and CEO of DTNA since April 1, 2017.
