DAN PAULSON has joined Signal Technology Corporation as vice president, mobile appliance sales and marketing. Most recently, he was senior vice president of sales, marketing and business development at RangeStar Wireless.

DAVE PANOS, co-founder and former executive vice president of marketing and business development at Question Technologies Inc., has joined Austin Ventures as a Venture Partner.

DICK PORTER has been named Advertising.com's new senior vice president of sales and marketing. Porter most recently served as executive vice president and general manager of TV Guide Media Sales for Gemstar-TV Guide.

MARIA ARNONE has been named the new publisher for PRIMEDIA Business Magazine and Media's mining and construction properties. She joined PRIMEDIA Business Magazines and Media in 1995 as a marketing manager for Stitches and Sound & Video Contractor.

TED PALLAD has been named Vice President/Sales Manager with Katz Radio. Pallad began his career with Katz Radio in 1992 when he joined the Los Angeles office as a Sales Assistant.

JOHN STROBEL was named Director of Internet Business Development at World Vision. Most recently. He had been a Marketing Manager at drugstore.com.

JOHN PARK has been named Vice President of Marketing at Imagio|JWT, a Seattle-based full-service marketing communications and advertising agency. Prior to joining Imagio|JWT in 1999 as a Senior Media Planner, Park served at Publicis Seattle and Diamond Advertising in Seoul, Korea.

Yahoo! Inc. announced the appointment of GARY L. WILSON and RONALD W. BURKLE to its Board of Directors. Wilson is chairman of the Board of Directors of Northwest Airlines and is also a director of The Walt Disney Company. Burkle is founder and managing partner of The Yucaipa Companies.

COLLEEN L. EDWARDS has been named vice president of corporate marketing at IPNet Solutions Inc. Previously, Edwards served as director of corporate communications for IPNet.

DAN ENDRES has been named Vice President of Sales at ChannelAdvisor Corporation. He previously served as senior vice president of Global Services for EssentialMarkets.