John O’Leary

Daimler Trucks North America 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 (DDC).

Most recently, O’Leary served as the chief transformation officer and head of Mercedes-Benz Trucks in Germany. He also previously served as the senior vice president and chief financial officer of DTNA, directing all operational and strategic controlling, treasury, accounting, tax, and IT functions for the entity and its affiliated companies. O’Leary has also held the role of senior vice president of DTNA Aftermarket, with responsibility for customer experience, dealer service, distribution network development, parts sales and marketing, parts distribution, Alliance Parts, and Detroit Reman. Prior to this, he 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.