Charter Communications hires Jay Rolls, ex-Cox Communications, as senior vice president and...

Charter Communications hires Jay Rolls, ex-Cox Communications, as senior vice president and chief technology officer … Jon Callas, ex-Apple, becomes Entrust chief technology officer … American Cable Association board moves: Colleen Abdoulah, WideOpenWest, named chair, replacing Steve Friedman, Wave Broadband, who remains on board; Robert Gessner, Massillon Cable, named vice chairman … Fox International Channels promotions: Jesus Perezagua to president, Europe & Africa; Jason Thorp to executive vice president of content for those regions … Oxygen Media names Galen Jones, ex-Court TV, senior vice president-Oxygen Research, new position.