One of the most senior executives at Paccar plans to retire early next year, at which point his responsibilities will be divided among two of the company’s senior vice presidents. Darrin Siver has been with Paccar, the parent of the Kenworth and Peterbilt brands, for about 32 years and has been one of its three executive vice presidents since the beginning of 2023. The executive, who was 58 years old at the time of Paccar’s most recently filed proxy statement earlier this year, has been overseeing Peterbilt and Paccar’s corporate quality and purchasing groups. Two executives are preparing to take over those duties, effective January 5: