AMERICAN MOLD BUILDERS ASSOCIATION The trade group in Rolling Meadows, Ill., named the following board directors: president, Steve Rotman of Ameritech Die & Mold Inc. in Mooresville, N.C.; vice president, Michael Armbrust of Mako Mold Corp. in St. Charles, Ill.; secretary, Shawn McGrew of Prodigy Mold & Tool Inc. in Haubstadt, Ind.; treasurer, Ken Hanson of H.S. Die & Engineering Inc. in Grand Rapids, Mich. Also, the following new board members were elected: Robert Earnhardt of Superior Tooling Inc. in Wake Forest, N.C.; Todd Finley of Commercial Tool and Die Inc. in Comstock Park, Mich.; and Dan Glass of Strohwig Industries Inc. in Richland, Wis.
AMERICHEM INC. The color and additive concentrates maker based in Cuyahoga Falls, Ohio, named Michael Frisch manager of European fibers technology.
EMERALD PERFORMANCE MATERIALS LLC The manufacturer of additives, based in Cuyahoga Falls, Ohio, named Shamsi Gravel manager of its K-Flex line of plasticizers at Emerald Kalama Chemical, which is based in Kalama, Wash.
GLOUCESTER ENGINEERING CO. INC. The extruder maker headquartered in Gloucester, Mass., named Oscar Bernardi regional sales director.
LYONDELLBASELL INDUSTRIES AF SCA The polyolefins producer, based in Rotterdam, Netherlands, named Ed Dineen chief operating officer. He had been president of the company's chemicals division.
MASTER PACKAGING INC. The packaging converter based in Tampa, Fla., named Brian Votaw senior vice president of sales and marketing, and Terry Smith senior vice president of operations. Also, packaging industry veteran Fred Crowe was named to the company's board of directors.
PORTOLA BLOW MOLD TECHNOLOGIES The supplier of blow molding machinery, service and components based in New Castle, Pa., named Robin Bock sales manager.
DYMAX CORP., an adhesives maker in Torrington, Conn., named Mike Acker a territory manager. ... E.T. HORN CO., a maker of specialty chemicals in La Mirada, Calif., named Juliette Lim vice president of key accounts for its Coatings and Building Materials Group. The FOREST PRODUCTS SOCIETY, a trade group in Madison, Wis., that also addresses composite lumber issues, named Stefan Bergmann executive vice president, effective April 20. ... MOUNTAIN VALLEY RECYCLING LLC, a plastic film and hanger recycler in Boca Raton, Fla., named former Solo Cup executive Ronald Whaley chief operating officer and president. Founder Danny Schrager will continue as chairman and CEO.