ALGA PLASTICS - The custom thermoformer in Cranston, R.I., named Lewis Ridgeway business development manager, based out of Raleigh, N.C., and Peter Behn electronics industry manager.
AMERICAN PLASTICS COUNCIL - The Arlington, Va., trade group named Terry Caloghiris chairman. He is vice president and general manager of DuPont Engineering Polymers of Wilmington, Del.
COMPOSITE MAT SOLUTIONS LLC - The injection molder of composite mats in Lafayette, La., named Frank Buck president. The firm is a new subsidiary of Newpark Resources Inc.
ELK COMPOSITE BUILDING PRODUCTS INC. - The maker of roofing and building products in Dallas named Tim Machelski executive vice president.
LANE CO. INC. - The Minneapolis thermoformer named Mark Dragan vice president of sales and marketing.
LINPAC MATERIALS HANDLING - The injection molder of reusable bulk containers and totes in Georgetown, Ky., named Patrick Huesing sales manager for beverage, general business and government accounts. Eric Miller assumed Huesing's position in the food and beverage sales group. Also named were Jason LaRoy, senior manufacturing project engineer, and Brigitte Mader, account representative.
POLY HI SOLIDUR INC. - The Fort Wayne, Ind., shapes manufacturer named Ron Denoo business development director, Tim Lankenau materials-handling and vertical markets manager and Andre Fischbach QuickSilver manager.
PREMIER MATERIAL CONCEPTS - The custom maker of thermoforming acrylics in Findlay, Ohio, named Jeff Hook operations director.
RED SPOT PAINT & VARNISH CO. - The coatings manufacturer headquartered in Evansville, Ind., named David Vranesich vice president of sales and George Lord vice president of operations.
RTP CO. - The compounder in Winona, Minn., named Jean Sirois general manager of its new global color unit. He was with Clariant Masterbatches of Holden, Mass.
SAINT-GOBAIN CORP. - M. Shawn Puccio was named vice president of finance for Saint-Gobain Corp. of Valley Forge, Pa., the holding company for the U.S. and Canadian businesses of conglomerate Cie de Saint-Gobain of Paris.
SOCIETY OF THE PLASTICS INDUSTRY INC. - E. Niles Kenyon resigned as executive chairman of the board of the Washington-based trade association, following his retirement as president of Pittsburgh-based Conair Group. SPI said a special election is planned to determine Kenyon's successor.