ATLANTIS PLASTICS INC. - The Miami film maker named Joseph Piccione vice president, general manager of its custom film unit in Atlanta. He had been business manager, flexible packaging, of Bryce Corp. of Memphis, Tenn. BECKER GROUP INC. - Gordon Heidacker was named vice president, procurement and supply, for the Sterling Heights, Mich., automotive interior systems supplier. He had been platform procurement manager at Chrysler Corp. in Auburn Hills, Mich., where he coordinated activities for the Prowler.
COOKSON SPECIALTY MOLDING - James Favaron was named chief technology officer, and Paul Tracey was named vice president of materials management for the European division. The Latham, N.Y.-based molder is a unit of Cookson Group plc of London.
GUNDLE/SLT ENVIRONMENTAL INC. - James Burke was elected a director of the Houston maker of geosynthetic liners. Burke is president of the products and equipment division of Weatherford Enterra Inc., a Houston firm that makes products for the oil and gas exploration and production industries.
LAWSON MARDON WHEATON - Ronald Brandt was named senior vice president, marketing, for the Millville, N.J., maker of specialty plastic and glass packaging for pharmaceuticals and cosmetics.
WORTHINGTON INDUSTRIES INC. - The Columbus, Ohio, firm named chief executive officer John P. McConnell chairman, succeeding founder John H. McConnell, who will assume the title of chairman emeritus. The company makes plastic and metal products, and is the parent of custom injection molder Worthington Custom Plastics Inc.