Digital Hollywood debuted in 1990 and has from its start been among the leading trade conferences in its field with over 15,000 top executives in the film, television, music, home video, cable, telecommunications and computer industries attending the various events each year. Keynote speakers at various Digital Hollywood events have included: Rupert Murdoch, Chairman and Chief Executive Officer, News Corporation; Steven A. Ballmer, Chief Executive Officer, Microsoft Corporation; Jeff Zucker, President and Chief Executive, NBC Universal; Philippe Dauman, President and Chief Executive Officer, Viacom Inc., and more.