Intelsat promotions include: CEO Dave McGlade adds title of chairman, effective April...

Intelsat promotions include: CEO Dave McGlade adds title of chairman, effective April 1; and Stephen Spengler to president and chief commercial officer, effective March 18 … Nexstar Broadcasting hires Dione Rigsby, ex-Newport Television, as vice president-technology … Windstream board member Jeffrey Hinson named chairman, succeeding Dennis Foster, who remains a director, effective May 1 … Gray Television hires Michael Spiesman, ex-Katz’s Continental Television Sales, as vice president and director-national sales … Cox Media Group promotes Greg Bilte to general manager of Tulsa TV stations.