COGNEX CORP. - The supplier of vision sensors in Natick, Mass., named Justin Testa executive vice president.
COLSON CASTER CORP. - The manufacturer of caster and wheel products in Jonesboro, Ark., named Porter Atkinson southeast regional sales manager and James Murphy a sales engineer.
COOK COMPOSITES AND POLYMERS CO. - The maker of polyester gel coats and coating resins in Kansas City, Mo., named Paul Colonna chief executive officer, effective July 1.
CUSTOM DOWNSTREAM SYSTEMS INC. - The auxiliary equipment maker in Lachine, Quebec, named Antonio Pecora vice president of sales and business development, Vicky Fortier vice president of administration and operations, and Christine Bergeron project planner.
DIMCOGRAY CORP. - The injection molder in Centerville, Ohio, named Ruth Travis inside sales representative.
EASTMAN CHEMICAL CO. - The resin supplier in Kingsport, Tenn., named Scott Hanson global industry leader for the medical market.
EUROTHERM INC. - The instrumentation maker in Leesburg, Va., named Steve Blomquist president of Eurotherm USA.
FRIGEL NORTH AMERICA INC. - Steve Petrakis, president of the Lake Zurich, Ill.-based supplier of process cooling equipment, was inducted into the Plastics Pioneers Association in McHenry, Ill.
GRAYLING INDUSTRIES INC. - The manufacturer of protective liners in Alpharetta, Ga., named Brian Todd account manager and production coordinator.
GURIT HOLDING AG - The composite materials manufacturer, which recently relocated from Wattwil, Switzerland, to Zurich, named Rudolf Gerber general manager of its wind energy business, effective Aug. 1.
HOMMER TOOL & MFG. INC. - The supplier of custom tooling components in Arlington Heights, Ill., named Gerry Grady project manager.
KAMMANN MACHINES INC. - The printing equipment supplier in St. Charles, Ill., named Gerry Nigg web sales manager.
MAG CINCINNATI - The auxiliary equipment maker in Hebron, Ky., named Daniel Allman director of its new composites automotive business unit.
MEDPLAST INC. - The injection molder based in Tempe, Ariz., named Chris Morton chief operating officer.
MOLDING BUSINESS SERVICES LLC - The consulting firm in Florence, Mass., named Joel Minnick an executive recruiter for the injection molding industry.
MOTAN INC. - The auxiliary equipment maker in Plainwell, Mich., named Scott Harris vice president of sales and Lee McLeod a regional manager, succeeding Harris.
PLASCON GROUP - The packaging supplier in Traverse City, Mich., named Steve Duchon a partner and president of its Plasport division.
PLASTIC EXPRESS - The resin-handling company in City of Industry, Calif., named Ray Hufnagel president.
PLASTOMER TECHNOLOGIES - The manufacturer of polytetrafluoroethylene in Houston named Tom Rosenmayer vice president and general manager.
POLYONE CORP. - The compounder in Avon Lake, Ohio, named Waverly McFarland marketing director for value-added services and Marc Imowitz strategic pricing director.
SMITHERS GROUP - The provider of analytical, testing and research services based in Akron, Ohio, named Carole Lee managing director of its new global information group and Mike Day managing director of Smithers Rapra Technology Ltd. in Shawbury, England.
SOCIETY OF THE PLASTICS INDUSTRY INC. - Secretary of Labor Elaine Chao has invited William Carteaux, president and chief executive officer of Washington-based SPI, to serve as a representative of the employer sector on the Advisory Committee on Apprenticeship.
TOTAL PETROCHEMICALS USA INC. - The Houston-based plastics and chemicals maker named Mike Goins general manager of supply chain and regulatory affairs, and Steve Pocsik vice president of research and development.
WEXCO CORP. - The cylinder maker in Lynchburg, Va., named Veronica Reid sales and marketing coordinator for Latin American communications.
XALOY EUROPE - The screw and barrel maker in Neckarsulm, Germany, has opened a sales and service office in Moscow and named Siegfried Schumacher GmbH of Engelskirchen, Germany, to represent it in Russia. Siegfried Schumacher is headed by Managing Director Klaus-Peter Schumacher.
ZL ENGINEERING PLASTICS INC. - The maker of stock engineered shapes in Peekskill, N.Y., named David Dunn national sales manager for ZL East.