Cars and trucks
SATURN CORP. - Jill Lajdziak was named executive director of marketing and retail network development, a new position. She was director of the customer/retail operations strategies team.
John Howell was named director of marketing. He was director of market and product planning.
Mary Wernette was named manager of brand product management and planning. She was team leader for segment planning.
Jim Craner was named manager of retail network development, a new position. He was manager of retail strategies, training and consulting.
Rick McManama was named executive director of customer and retail operations and strategies. He was director of service parts operations.
Mark Ray was named director of service parts operations. He was manager of service engineering at Saturn's headquarters in Troy, Mich.
Dan Plouffe was named manager of retail strategies, training and consulting. He was Southern regional manager.
Marty Raymond was named Southern regional manager. He was manager of customer and retail support.
Ben Gibert was named manager of customer and retail support. He was manager of strategic planning.
DETROIT DIESEL CORP. - Calvin Sharp was appointed senior vice president of administration. He was director of industrial relations and administration and director of salaried personnel.
Detroit Diesel, based in Detroit, designs, manufactures and services heavy-duty diesel and alternative fuel engines and automotive diesel engines.
PEREGRINE INC. - Guy Goodner was named vice president and treasurer. He was director of corporate finance for LTV Corp.'s LTV Steel Co.
Douglas Cooper was named executive vice president and general counsel. He was vice president of operations law for Leaseway Transportation Corp.
Peregrine, based in Southfield, Mich., makes interior and exterior automotive products.
TRW - Charles Pestow was named vice president of sales and customer relations for global steering and suspension systems. He was managing director of TRW Steering & Suspension Australia Ltd. in New South Wales.
Mark Quay was named vice president of automotive purchasing, a new position. He was director of chassis and electrical commodity management for Ford Motor Co.
TRW, based in Cleveland, supplies steering and linkage and suspension systems.
PENSKE CORP. - The company named Paul Walters executive vice president of administration, a new position. He will be in charge of human resources, security and other administrative functions. He was senior vice president of administration for Detroit Diesel Corp.
Penske, based in Detroit, is a diversified transportation services company.
J.D. POWER AND ASSOCIATES - Julie Trausch was named assistant director of South American operations. She was a senior analyst at the Troy, Mich., office.
Kathy Kruse was promoted to director of supplier services and production forecasting. She was director of supplier services.
J.D. Power is a marketing information services firm based in Agoura Hills, Calif.