Rockwell Automotive Corp.: Larry D. Yost has...

Rockwell Automotive Corp.: Larry D. Yost has been appointed president for heavy vehicles, and Robert A. Calder is the new president for light vehicles. Both executives will be based at the automotive business’s Troy, Mich., headquarters. They succeed Rockwell Automotive President Ronald L. Roudebush, who has resigned.

Yost was previously senior vice president of operations for Allen-Bradley, a unit of Rockwell Automation, and before that was senior vice president for its Industrial Control Group. Calder was formerly president of Rockwell Automotive’s body and chassis systems business. He joined Rockwell in 1985 and before that worked for International Harvester.