Daimler Trucks North America (DTNA) announced a series of executive appointments to its Aftermarket and Operations organization. “Effective June 1, 2017, the appointments draw upon the deep talent bench within DTNA and position experienced senior managers for organizational optimization,” the company said.

Rich Simons has been named general manager, aftermarket parts sales at DTNA. Simons will succeed Jeff Wallis who will be retiring from a career spanning over 35 years at DTNA and Detroit Diesel.