Also . . .

Vons Cos. is expected today to respond to Safeway Inc.’s offer to buy the Southern California supermarket chain for $2.29 billion cash and assumed debt. . . . Rancho Cordova-based EndoSonics Corp. named Roger Salquist chairman. . . . Chatsworth-based StreamLogic Corp. appointed Barbara V. Scherer chief financial officer. . . Keith T. Davidson has been named president of Torrance-based Xplor International. . . . Irvine-based Subscriber Computing Inc. named Dennis Andrews president and chief operating officer. . . . South San Francisco-based Gryphon Sciences said Stephen B.H. Kent was named president. . . . Irvine-based Belgravia Capital Corp. has acquired San Francisco-based commercial mortgage brokerage firm Pacific Union Realty Finance under undisclosed terms.