Nestle USA, Glendale, Calif., appointed Mike Mitchell, 49, as president and CEO forDreyer's Grand Ice Cream Inc . Mitchell previously was president of sales for Nestle USA and he replaces retiring CEO Timothy Kahn. One of the nation's largest ice cream companies, Oakland, Calif.-based Dreyer's produces a range of ice creams and novelties under the Dreyer's and Edy's brands.