EXECS ON THE MOVE:Anchor Packaging , St. Louis, announced several appointments. Named as regional sales directors wereBill McMillan(Great Lakes) and Vic Letteney(Northeast).Richard Curtiwas appointed district sales manager, Northeast.Herb Kempwas promoted to director of sales, Buying Groups. . . .Real estate services providerColliers International USA, Boston, said its Los Angeles region office hiredMatthewTerryto represent the firm's involvement with food facility properties nationwide. . . . Global Rebaudioside A (Reb A) ingredient supplierPureCircle, Florham Park, N.J., said it hiredJordi Ferreas vice president and general manager, PureCircle USA.