CARMAX INC. — Eric Margolin, 54, to senior vice president, general counsel and corporate secretary. He had held the same positions at Advance Auto Parts Inc. since 2001.
CarMax, of Richmond, Va., is the nation's largest retailer of used vehicles.
GMAC FINANCIAL SERVICES — A. Jay Meyerson, 60, to the newly created position of chief marketing officer. He had been chairman and CEO of Aames Investment Corp. since 1999.
ROLLS-ROYCE MOTOR CARS NORTH AMERICA LLC — Karen Vonder Meulen, 40, to corporate communications manager, effective Jan. 1. She will replace Bob Austin, who is retiring at the end of the year.
Vonder Meulen is marketing, events, sports and cultural communications manager for BMW North America LLC. She will be at Rolls-Royce's North American headquarters in Woodcliff Lake, N.J.
SIEGEL+GALE — Laurence Vincent, 38, to group director of strategy for the Los Angeles office. He had been senior vice president of entertainment marketing at Octagon Worldwide.
Siegel+Gale, of New York, is a strategic branding company with clients that include Lexus, Acura and Cummins Engine Co. It is a unit of Omnicom Group Inc.
TOYOTA MOTOR SALES U.S.A. INC. — Curt McAllister, 41, to product news manager for Midwest corporate communications. He had been a vice president at John Bailey & Associates Inc., a suburban Detroit public relations firm.