Dean Foods Co. — Rachel Cullen has been appointed chief operating officer of ice cream for the Dallas-based company, and Debbie Carosella has joined as senior vicepresident of innovation.

Glanbia Foods Inc. —The Twin Falls, Idaho-based company has announced the following promotions and hires: Mark Boytim has been promoted to director of U.S. corporate engineering for Glanbia USA; Kristine Slotten has been promoted to payroll and tax manager at Glanbia’s corporate office in Twin Falls; Todd Hughes has been promoted to environmental manager for Glanbia Foods’ Idaho facilities; Kelly Johnston has been promoted to plant manager at Glanbia’s whey facility in Gooding; Jason Huff has been promoted to whey plant production manager at Glanbia’s whey production facility in Gooding; Micah Robinson has been promoted to cheese plant production manager at Glanbia’s cheese production facility in Gooding; Jason Dains has been promoted to plant controller at Glanbia’s Richfield facility; Jim Lewis has been promoted to whey production supervisor at Glanbia’s whey production facility in Gooding; Lilian Campos has been promoted to whey production supervisor at Glanbia’s whey production facility in Gooding; Gary Henning has been promoted to IT trainer at Glanbia’s Twin Falls plant; Manuel Galvan has been promoted to cheese production supervisor at Glanbia’s cheese production facility in Gooding; Brendan Britton has joined as vice president of supply chain at Glanbia’s corporate office; Richard Gallegos and Michael Leonard have joined as IT technicians; and Jacob Dorman has joined as a management trainee.

Sargento Foods Inc. — Stephanie Scholz has been appointed core marketing manager of the Plymouth, Wis.-based cheese company, and Bryan Birling has been appointed business development manager for Sargento’s Food Service Division.

AdvantaPure — Jeffrey Johnson has been promoted to director of software solutions for Southampton, Pa.-based company.

Evergreen Packaging — Paul Knoerl has joined the Cedar Rapids, Iowa-based company’s sales team as North American equipment specialist for bottle and cup filling systems.

Invensys Validation Technologies — Shelley Preslar has joined the Foxboro, Mass.-based company as director of operations for its southeast region.

Mettler-Toledo Hi-Speed Inc. — Gerald Lisowski has been appointed general manager of the Ithaca, N.Y.-based company.

D.D. Williamson — Jennifer Guild has joined the Louisville, Ky.-based company as global food science and regulatory manager, Jody Renner-Nantz has joined as food science chemist and Richard Wiebke has joined as global quality manager.

Gertrude Hawk Chocolates — Shawn Sullivan has been promoted to senior vice president of ingredients and contract manufacturing for the Dunmore, Pa.-based company.

Mastertaste Inc. — Colin Garner has been appointed director of global business development for the Teterboro, N.J.-based company’s Natural Products Division.