Elaine Low Senior TV WriterLongtime Sony Pictures Entertainment executive Keith Le Goy has been named the studio’s chairman of worldwide distribution and networks.Le Goy joins SPE motion picture group’s Tom Rothman and global TV studios and corporate development’s Ravi Ahuja as one of three chairman-level leaders running the studio’s business under Sony Pictures Entertainment chairman and CEO Tony Vinciquerra.Here’s the full memo from Vinciquerra:I am pleased to announce that Keith Le Goy has