He joined Discovery Networks Asia as vice-president of advertising sales in July 2002. Prior to joining Discovery Networks, Whitehead was the vice-president of ad sales at CNN Asia. He has also worked with CNN in Europe, and with BBH and McCann Erickson advertising agencies in London.
It is not clear what Whitehead's plans are but industry insiders say that he is looking at a role with BBC Global Channels Asia.
A Discovery Networks spokesperson declined to comment on the development.