Read this article in 中文 Français Deutsch Italiano Português Español
Mack President Stephen Roy to retire
22 April 2026
Stephen Roy
After nearly 25 years of service with the Volvo Group, including three as president for Mack Trucks and head of Group Trucks North America, Stephen Roy has decided to retire. He will be succeeded by Wilson Lirmann, currently heading Volvo Trucks Latin America.
Roy has held a number of senior leadership roles within the Volvo Group across both the truck and construction equipment businesses. For the past three years, he has served as president of Mack Trucks, during a period in which the company said it has laid a strong foundation for future growth in North America.
Wilson Lirmann
“I am deeply grateful for Stephen’s contributions over the years,” said Martin Lundstedt, president and CEO, Volvo Group. “In his different roles, Stephen has driven the platform for continued growth in North America, reinforcing our regional strategy and setting us up well for the next phase.”
Wilson Lirmann has led both Volvo Trucks Latin America and the Group’s Latin American business for nearly 10 years. He brings extensive experience across the truck business and has held several leadership roles within Volvo Trucks.
The transition will take effect on August 1, 2026.
POWER SOURCING GUIDE
The trusted reference and buyer’s guide for 83 years
The original “desktop search engine,” guiding nearly 10,000 users in more than 90 countries it is the primary reference for specifications and details on all the components that go into engine systems.
Visit Now
STAY CONNECTED


Receive the information you need when you need it through our world-leading magazines, newsletters and daily briefings.
CONNECT WITH THE TEAM