Mack Trucks Inc. announced that Stephen Roy has been named president of North American Sales & Marketing, effective Jan. 1, 2014. Roy has led the company’s aftermarket business since 2008, and will succeed Kevin Flaherty, who is retiring after more than 40 years with the company.

“With aggressive growth plans in place, and significant investments continuing in our products and industrial system, this is a particularly exciting time for Mack Trucks,” Roy said in a statement. “I look forward to helping our team realize Mack’s full potential in this market.”

Over his more than 25-year career in the truck industry, Roy has been involved in virtually every aspect of the business, including truck sales, service, aftermarket parts, financing/leasing, and telematics.

He holds a bachelor’s degree in agricultural mechanization technology from the University of Georgia, and an MBA from Wake Forest University. He will continue to be based in Greensboro, N.C.