Stephen Traylor, ex-National Association of Counties, returns to National...

Stephen Traylor, ex-National Association of Counties, returns to National Association of Telecommunications Officers and Advisors, as executive director, general counsel … Ernesto Falcon, ex-office of Rep. Bart Stupak, D-Mich., hired by Public Knowledge as director of government affairs … Nickelodeon/MTVN Kids & Family Group appointments: Antonious Porch promoted to senior vice president and deputy general counsel for digital media and other businesses; Diane Longoria, ex-Viacom, named vice president of business & legal affairs … Frances Berwick promoted to president of Bravo Media … Lockheed Martin General Counsel James Comey leaves to join Bridgewater Associates … Robert Turner, ex-SES New Skies, joins Spacenet Integrated Government Solutions as senior vice president-business development … Philip Harlow, ex-CapRock Communications, becomes XTAR president-chief operating officer … SES Astra names Norbert Holzle, ex-NDSatCom, chief commercial officer … Kendice Briggs, ex-Westfield Corp., hired by Playboy Enterprises as senior vice president of human resources … Entravision promotes Margarita Wilder to vice president and general manager of San Diego-area TV operations … Allen Roberts promoted to vice president-operations, Cox Virginia.