PITTSBURGH — Cohen Brothers Inc. has expanded the role of one of its executives and hired a copper scrap veteran.

Greg Dixon, executive vice president of Cohen’s Baker Iron & Metal division in Lexington, Ky., has been named vice president of national accounts for the company. Dixon will continue to be based in Lexington, and he and the commercial team will relocate to offices near Baker’s two scrap-processing facilities.

Middletown, Ohio-headquartered Cohen Brothers, which 26 facilities in Indiana, Kentucky, Ohio and Tennessee, also announced that Joe Cerda has joined the company, focusing on trading and processing of scrap copper and insulated wire.