DUPONT CO. -- James Hay to vice president of sales and marketing for DuPont Engineering Polymers Americas. He was North American sales manager.
DuPont, of Wilmington, Del., supplies coatings, engineering polymers, fibers, chemicals, refrigerants and finishes, small motor and transmission components.
EATON CORP. -- Mark McGuire, 47, to vice president and general counsel. He was vice president and deputy general counsel at International Paper Co. He replaces J. Robert Horst, who retires Nov. 30 after 31 years with Eaton.
Eaton, of Cleveland, supplies superchargers, valves, valvetrain components, cylinder heads and differentials.
HAYES LEMMERZ INTERNATIONAL INC. -- John Stephenson, 40, to vice president of steel wheel operations for the supplier's international wheel group. He was director of north Europe operations for Textron Fastening Systems.
Hayes Lemmerz, of Northville, Mich., supplies wheels, brakes, powertrain and suspension components.
METALDYNE CORP. -- Linda Theisen to vice president of quality, six sigma and process. She was vice president of supply chain management.
Metaldyne, of Plymouth, Mich., supplies powertrain and chassis applications, transmission and transfer cases, axles and drivelines, suspension, noise and vibration control products.
QUANTUM FUEL SYSTEMS TECHNOLOGIES WORLDWIDE INC. -- Kenneth Lombardo to general counsel, from Kerr, Russell and Weber PLC in Detroit.
Quantum, of Irvine, Calif., designs and supplies fuel system technologies to automakers.
TRW AUTOMOTIVE HOLDINGS CORP. -- Edward Carpenter, 50, to vice president for Asia Pacific in Shanghai. He was vice president of purchasing.
TRW Automotive, of Livonia, Mich., supplies steering, suspension, braking, engine components, fasteners, occupant restraint systems, electronic safety and security.