John O'Leary took over as president and chief executive officer of Daimler Trucks North America April 1. In his first 100 days, he has been dealing with a booming truck market, the launch of new vocational and electric trucks, and more. O'Leary now heads up DTNA brands Freightliner Trucks, Western Star Trucks, Thomas Built Buses, Freightliner Custom Chassis Corp. and Detroit Diesel Corp. He's no newcomer to the company, having previously served leadership roles at Thomas Built and DTNAs aftermarket business, as chief financial officer of DTNA, and most recently as the chief transformation officer for Mercedes-Benz Trucks in Germany.
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