B&B MOLDERS LLC - The injection molder based in Mishawaka, Ind., named Michael Dittrick product development engineer and mold designer, Jim Krezel quality assurance manager and Adam Schramski senior design engineer.
BEMIS CO. INC. - The flexible packaging supplier based in Neenah, Wis., named Henry Theisen chief executive officer and president, He succeeds Jeffrey Curler, who will continue as executive chairman.
DOW CHEMICAL CO. - Howard Ungerleider, commercial vice president for plastics for the Midland, Mich., resins and chemicals maker, was named to the board of Keep America Beautiful Inc., a nonprofit organization in Stamford, Conn.
EFC INTERNATIONAL INC. - The St. Louis-based fastener supplier named Alan Shepherd plastics product manager.
GLOBAL VEHICLE SYSTEMS INC. - The tooling equipment supplier in Tilbury, Ontario, named Spencer James vice president of its tooling and automation division.
LPKF LASER & ELECTRONICS INC. - The maker of prototyping equipment in Wilsonville, Ore., named Chris Korson business development manager.
ROTEX GLOBAL LLC - The screening equipment maker in Cincinnati named Robert Dieckman chief financial officer.
A. SCHULMAN INC. - The Fairlawn, Ohio, compounder named Bernard Rzepka to lead the European Polybatch business, while retaining his position as associate general manager for Europe. Rzepka is succeeded by Thomas Koerlin as head of the engineered plastics unit in Europe.
TREX CO. INC. - The manufacturer of composite decking and railing in Winchester, Va., named F. Timothy Reese vice president of operations.
WILKINSON INDUSTRIES INC. - The manufacturer of plastic and aluminum food packaging in Fort Calhoun, Neb., named Anil Shah vice president of operations.
AMERICAN SENSOR TECHNOLOGIES INC., a manufacturer of pressure sensors, transducers and transmitters based in Mount Olive, N.J., named Joseph Sudol field sales manager for North America.