ALLTRISTA CORP. — John Zappala was elected group vice president of plastic products and a corporate officer at the Indianapolis-based thermoformer and film and sheet manufacturer. Zappala had been vice president and general manager of the Royalite Division of the Uniroyal Technology Corp.
BRITTON GROUP PLASTICS — Ron Singer was named chairman of the London-based film and flexible packaging firm. He had been chief executive of European consumer paper products group Jamont N.V. Singer succeeds Colin Smith, who is leaving the company to pursue other interests. Keith Millican was named BGP group finance director. He had been chief financial officer at Algroup Wheaton, the pharmaceutical and cosmetic packaging division of Alusuisse Lonza Group Ltd.
CLARION TECHNOLOGIES INC. — The Schaumburg, Ill., injection molder named Jack Rutherford chairman. Rutherford, who is also director of the firm, succeeds Troy Wiseman, who will continue as chief executive officer.
CNC CONTAINERS CORP. — The Tumwater, Wash.-based manufacturer of PET bottles and preforms named Matt Franz vice president of operations for its four plants. Franz had been plant manager of the Tumwater facility.
PLASTICS TECHNOLOGY INC. — Charles Princell was named general manager of the Conover, N.C., subsidiary of Hickory Springs Manufacturing Co., a supplier to the furniture industry.
S&W PLASTICS INC. — The Eden Prairie, Minn., injection molder announced the resignation of Stanley Gonsior, president of subsidiary S&W Precision Molds. C. Scott Thiss, chief executive officer of S&W Plastics, will assume administration of S&W Precision Molds.
Cleveland-based FERRO CORP. named Kent Lee vice president of Specialty Chemicals. ... Eric Mittelstadt, chairman and chief executive officer of FANUC ROBOTS NORTH AMERICA INC. is retiring after 16 years at the helm of the Rochester Hills, Mich., supplier of robots and robotic systems. His retirement is effective Dec. 31. Rick Schneider, president and chief operating officer since 1997, will become president and CEO effective Jan. 1. Mittelstadt will remain a business adviser to the firm, and will hold the title chairman emeritus. ... BASF CORP.'S POLYSTYRENE BUSINESS GROUP, of Mount Olive, N.J., named Edward Barnes national sales manager and Cary Krimsky manager of distribution.