The Produce Marketing Association (PMA), Newark, Del., said it hired Edmund Treacy as vice president of supply chain efficiencies, a newly created post.

Ben & Jerry's Homemade Inc., South Burlington, Vt., named Jostein Solheim as chief executive officer and vice president of global brand development.

Key Technology Inc., Walla Walla, Wash., said it hired Dr. Michael Nichols as senior director of research and development.

Unilever plc, London, said Vindi Banga, president, Global Foods, Home and Personal Care has decided to leave Unilever at the end of May.

Automated Packaging Systems (APS) Streetsboro, Ohio, said it promoted Chief Operating Officer Cliff Brehm to the additional post of president.

Pizza delivery giant Domino's Pizza, Ann Arbor, Mich., said it promoted John Macksood to executive vice president of supply chain.

Dairy giant Dean Foods, Dallas, said it promoted Chris Sliva, 46, to president at Morningstar, a division responsible for Dean's private label, extended shelf life and cultured businesses.

Smithfield Foods, Inc., Smithfield, Va., said it promoted Dennis H. Treacy to senior vice president of corporate affairs and chief sustainability officer.

Frozen meat processor Lopez Foods, Inc., Oklahoma City, Okla., said founder and Chairman John Lopez is retiring.

Citing increased sales to food processors, business enterprise and on-demand software supplier AFS Technologies Inc., Phoenix, said it named Lance Anderson as vice president, national sales-food manufacturing.