Acacia Research Corp., a Newport Beach, Calif., licenser of patented technologies, has added Jennifer Hart as vice president, business development. She comes from Rockwell Technologies.
was named president and CEO of Advent Networks Inc. He comes from Koch Ventures, where he was a managing director in the venture fund.
Broadband Services Inc. has added William Stoehs as vice president, national accounts, Southeast. He had been VP, Southeastern region, Comcast Network Solutions.
Cartoon Network has named Alice Cahn vice president, development for its kids businesses focusing on original entertainment for children aged 4 to 7. She comes from The Markle Foundation, New York, where she was managing director, interactive media for children.
Comcast Corp.'s cable unit has appointed interim area vice president, Detroit East Michael Castillo on a permanent basis.
Also, Kevin Just was named implementation manager for the Midwest Division Business Services team. He had been director, online operations.
Court TV has hired Savannah Guthrie as a correspondent for its daytime trial coverage. She comes from WRC-TV in Washington, D.C.
Roxanne Jones was elevated to senior coordinating editor at ESPN The Magazine, charged with overseeing its lifestyle coverage and coordinating content with SportsCenter and ESPNews. She had been senior deputy editor.
Fox Sports Net
Kevin Groh has joined Fox Sports Net North's Milwaukee ad-sales staff as local sales manager. He had been local sales manager of stations WDJT-TV and WMLW-TV, also Milwaukee.
Gemstar-TV Guide International Inc. tapped Georgia Juvelis
as vice president, communication. She had been a consultant to the company.
David Shane has signed on with G4 as vice president, publicity and media relations. He had been VP, public relations at Comcast Cable's Eastern division.
Brad Tracy has joined Insight Communications Co. as vice president, government and regulatory affairs. He was executive director of the Indiana Cable Telecommunications Association, based in Indianapolis.
Showtime Networks Inc. has named Richard Licata executive vice president of entertainment public relations. He comes from Rogers & Cowan, where he was executive VP, television and digital media.
Nancy Sykora was named vice president, customer operations at Time Warner Cable. She was a regional call-center director at AT&T Broadband.
Turner Classic Movies has named Shannon Davis senior vice president, on-air promotions. She had been VP, creative director, on-air, for both TCM and TCM Europe.
The Weather Channel has named Lisa Chang senior vice president, human resources. She comes from The Weather Channel Interactive Inc., where she was vice president of desktop weather.
Also, Mike Bettes has joined as an on-camera meteorologist. He comes from WLOS-TV, Ashville, N.C.
Joe Kanellitsas has been elevated to vice president of on-air promotion for VH1. He was senior writer/producer, on-air promotions.
Also, VH1.com has named Greg Efird vice president of programming and production. He was an executive producer of the Web site.