Thomas Stortz rejoins Level 3 Communications as chief administrative officer … National Cable TV Cooperative Executive Vice President Scott Abbott resigned, effective June 17 … Univision names Lee Davis, ex-CBS Radio, executive vice president-sales, Univision Radio … New vice presidents-national sales at ION Media Networks: Kendra Cleary, ex-Turner Broadcasting; Corry Hart, ex-IFC; and Laura Diefenbach, promoted … Cox Media promotes Tom Raponi to vice president-general manager, KTVU and KICU, both San Francisco, replacing Tim McVay, moving to same position at WSB-TV Atlanta … XTAR names James Chambers, ex-DRS Technical Services, to newly-created position of vice president, engineering … Comcast promotes Johnnie Giles to executive director-external affairs … Orbit Communication Systems names Thomas Lipari, ex-Caprock, director-sales and business development.

FCC hires Robert Naylor, ex-U.S. Small Business Administration, as chief information officer … Connie Durcsak, ex-PCIA, becomes Utilities Telecom Council president-CEO … FCC changes: Marius Schwartz, Georgetown University, becomes chief economist in Office of Strategic Planning & Policy Analysis; Outgoing Chief Economist Jonathan Baker and Gregory Rosston, deputy director-Stanford Institute for Economic Policy Research, will both be senior economists for transactions to work on FCC reviews of AT&T/T-Mobile and AT&T/Qualcomm transactions.

Former FCC Commissioner Gloria Tristani leaves Spiegel & McDiarmid law firm to look for new opportunities … T-Mobile promotes Brigette Jackson to vice president-general manager, Michigan/Indiana region … NAB departing Executive Vice President Laurie Knight (CD June 3 p10) named Association of American Railroads senior vice president of government affairs, effective July 25 … Vivian Schiller, ex-NPR, hired by NBC News as chief digital officer, new position, effective mid-July.

Neustar names Stephanie Weiner, ex-U.S. Department of Energy, vice president-legal and external affairs, new position … NBCUniversal promotes Jay Bockhaus to executive vice president of strategy and operations and Jared DiPalma to senior vice president of finance, both new positions for entertainment and digital networks in the integrated media business … L.A. Times Media Group names Emily Smith, ex-Disney Interactive, senior vice president, digital … WWE elects Patricia Gottesman, Crimson Hexagon, to board … Chyron hires Sim Kolliner, ex-Harris BCD, as vice president of professional services.

Acting Register of Copyrights Maria Pallante named permanent Register and director of the U.S. Copyright Office … GlobeCast America promotes Lisa Coelho to acting CEO, replacing David Justin, who left to pursue other projects … CBS Radio promotes Steve Swenson to senior vice president and market manager for Washington, D.C., replacing Sam Rogers, resigning … Tim Gwin, ex-Qwest, becomes Acceller vice president-business development … Turner Broadcasting System promotes Patty Gillette to senior vice president, brand activation and media partnerships for Cartoon Network and Adult Swim.

Phil Weiser leaving National Economic Council as senior adviser to return to University of Colorado and become dean of law school and head of Silicon Flatirons program, taking over from Dale Hatfield, who becomes a senior fellow, effective July 1 … Harvard Professor Jonathan Zittrain, co-founder of the Berkman Center for Internet & Society, named FCC Distinguished Scholar, will work on issues related to 21st century communications networks … Tribune names Nils Larsen to added title of CEO of Tribune Broadcasting Division, says President Jerry Kersting’s position eliminated and he’s left the company … Harris Corp. promotes Tom Eaton to president, Harris CapRock Communications; Peter Shaper retiring as group president … Cox Media Group promotions: Bill Hoffman to executive vice president; Tim McVay to succeed him as WSB-TV Atlanta vice president and general manager.

Presidential appointees to National Security Telecom Advisory Committee: Scott Charney, Microsoft; Dick Costolo, Twitter; David DeWalt, McAfee; Jamie Dos Santos, Terremark; Lisa Hook, Neustar.

Kevin Gage, ex-Warner and NBC, becomes NAB executive vice president and chief technology officer, new position … Irene Esteves, ex-XL Group, to become Time Warner Cable executive vice president and chief financial officer … Media General changes: Chief Operating Officer Reid Ashe retiring from job and board Dec. 31; Chief Financial Officer John Schauss named vice president of market operations, being succeeded by James Woodward; Andrew Carington promoted to vice president, general counsel and secretary, succeeding George Mahoney, who becomes vice president of growth and performance, effective Oct. 1.

New members of president’s National Security Telecom Advisory Committee: Matt Desch, Iridium; Joseph Fergus, Communication Technologies Inc.; Larissa Herda, tw telecom … Break Media online video and gaming firm hires Andrew Doyle, ex-Activision-Blizzard, as chief financial officer and David Subar, ex-Oversee.net, as chief technology officer … NBCUniversal integrated strategic marketing names Monica Halpert, ex-Bluefly.com chief marketing officer, as CMO in residence for the summer … Martha Stewart Living names Lisa Gersh, ex-NBC, president and chief operating officer, creates plan to name her CEO within 12-20 months and she likely will join board soon … Doyle Mitchell resigns from board of Radio One; Dennis Miller, Spark Capital, replaces him.

New at Internet Innovation Alliance: Ex-Rep. Rick Boucher, D-Va., as honorary chairman, and consultant and CNN analyst Jamal Simmons as honorary co-chairman … Wireless consulting firm Acta names Mark Schultz, ex-McCaw, AT&T Wireless and Alltel, vice president-business development … BlackArrow hires Laurel Gilbert, ex-Sigma Systems, as vice president of service provider solutions.