LOS ANGELES A.M. Castle & Co. has appointed Steve Letnich as chief commercial officer and Ron Knopp as its top operations executive, the specialty metals distributor said.
Letnich joined Oak Brook, Ill.-based Castle July 1, the company said. He previously was vice president of sales and chief marketing officer at Chicago-based service center Central Steel & Wire Co. and vice president of sales at the York, Pa.-based Worthington Steelpac division of Worthington Industries Inc.
Knopp was named vice president of operations July 1 after serving in that role on an interim basis since February, Castle said. He joined the company in 2009 and has held several operations positions.