
John O’Leary
President & Chief Executive Officer
Daimler Truck North America (DTNA) President & CEO, John O’Leary is responsible for all aspects of DTNA and its affiliated companies, including Freightliner Trucks, Western Star trucks, Thomas Built Buses (TBB), Freightliner Custom Chassis Corporation (FCCC) and Detroit Diesel Corporation.
Previously, O’Leary served as the Chief Transformation Officer and Head of Mercedes-Benz Trucks in Germany, laying the foundation for its transformation and profitability improvement. He has also previously served as the Chief Financial Officer of DTNA, directing operational and strategic controlling, treasury, accounting, tax, and IT functions for the company and its affiliated entities. O’Leary has also served as the Senior Vice President of Aftermarket, with responsibility for customer experience, dealer service, distribution network development, parts sales and marketing, parts distribution, Alliance Parts, and Detroit Reman. That role also included oversight and development of DTNA’s Aftermarket Service products, including extended chassis and engine warranties, telematics, and contract maintenance. He has also previously served as President & CEO of Thomas Built Buses, where he oversaw sales, marketing, service, dealer operations, product planning, engineering and manufacturing functions.
O’Leary has more than 30 years of experience in a wide variety of leadership and financial roles for truck and electronics manufacturers. He earned a Bachelor’s degree in Accounting at Seattle University, and he completed the Executive Program at Northwestern University’s Kellogg Graduate School of Management.