RLE INTERNATIONAL NORTH AMERICA -- Gerd Zimmermann, 58, to president. He was president of Edag Inc., of Madison Heights, Mich.
He replaces John Wentzel, who moved to another position within the company.
RLE International North America, of Hazel Park, Mich., is a subsidiary of RLE International, of Cologne, Germany. The company provides services specializing in product design and engineering, computer-aided design technology, manufacturing tool making, program management and information-technology support.
PPG INDUSTRIES INC. -- Tom Mauck, to general manager of protective and marine coatings.
He was director of raw materials purchasing.
Randy Cremeans, 41, to manager of the North American collision segment for PPG Automotive Refinish.
He was global director of collision segments.
PPG, of Pittsburgh, supplies coatings and glass.
TENNECO INC. -- Paul Novas, 47, to vice president and controller.
He was vice president of finance and administration for the company's European operations.
He replaces James Perkins, 44, who resigned.
John Kunz, 41,vice president and treasurer, was given added responsibility for global tax matters.
Tenneco, of Lake Forest, Ill., produces shocks, struts, vibration control, load assist products, springs, bushings, rods, roll control and exhaust systems.
MODINE MANUFACTURING CO. -- Thomas Burke, 49, to executive vice president and COO.
He was executive vice president.
Robert Kampstra, 32, to corporate controller.
He was assistant controller.
Modine, of Racine, Wis., supplies heating and cooling technology, and thermal management components.