ALSO

San Jose-based Netcom On-Line Communication Services Inc. said it appointed Dan Yost to the newly created position of president and chief operating officer. Yost was president of AT&T; Wireless Services’ Southwest region. . . . Scotts Valley-based Seagate Technology Inc. said it has invested $10 million in closely held Gadzoox Microsystems Inc. of San Jose to help develop and market high-end disk drives for computer networks.