ALLTRISTA CORP. — Bret Liebeno joined the Muncie, Ind., firm's Plastics Packaging Co. as manager of manufacturing engineering. David Gorenc joined Plastics Packaging as director of manufacturing operations.
ARKAY PLASTICS ALABAMA INC. — Dan Keifer has been named plant manager of the Prattville, Ala., manufacturer of plastic parts for the automotive and appliance industries.
CAPTIVE PLASTICS INC. — The Piscataway, N.J., maker of plastic packaging named Les Herold vice president of manufacturing.
COMPLAST INC. — The Bloomington, Minn.-based plastic extruder named Frank Bomberg president.
DEL-MET CORP. — James Murray joined the Nashville, Tenn., injection molder as president. Former president and chief executive officer Michael Buerger was named chairman of the board.
DOGLOO INC. — Company founder Aurelio Barreto III has stepped down as president and chief executive of the Corona, Calif., injection molding firm. Mike Farmer was promoted to executive vice president and general manager.
FABRI-KAL CORP. — Mark Graff was appointed vice president of marketing and sales at the Kalamazoo, Mich., thermoformer.
FOODSERVICE & PACKAGING INSTITUTE INC. — Ann Mattheis is the Arlington, Va.-based trade association's new director of public affairs for its government relations programs.
GENCORP INC. — Kevin Byrne joined the Fairlawn, Ohio, company's decorative and building products business unit as vice president of marketing and product management. Byrne formerly was with AlliedSignal Inc., where he was director of sales and marketing of the engineered plastics division.
GRAFCO INDUSTRIES LP — Michael King has joined the Hanover, Md., injection blow molder as Southeastern regional sales manager in Atlanta.
INSTITUTE OF PACKAGING PROFESSIONALS—Thomas McMurray, director of packaging engineering at the Parke Davis Division of Warner Lambert Co. in Morris Plains, N.J., was elected 1997-98 president of the Herndon, Va.-based trade association.
LAMSON & SESSIONS CO. — The Cleveland-based manufacturer of thermoplastic enclosures and pipe named Robert Moyer vice president of supply chain management.
MANCHESTER PLASTICS — Kenneth Simpson has been named vice president of corporate quality assurance for Manchester Plastics, the Troy, Mich.-based subsidiary of Collins & Aikman Corp. in Charlotte, N.C.
MIKRON INDUSTRIES INC. — Charles Gilderman has rejoined the Kent, Wash.-based supplier of vinyl window and door systems as director of technical services.
PACKAGING EDUCATION FORUM — Tom Hogue, national sales manager for packaging markets in the packaging and industrial polymers division of Wilmington, Del.-based DuPont Co., was elected president of PEF for a two-year term, effective July 1.