RatPac-Dune Entertainment was co-founded by the billionaire of what nationality?
James Packer James Douglas Packer (born 8 September 1967) is an Australian businessman and investor.
Michael Novogratz Michael Edward "Mike" Novogratz (sometimes Novo, born November 26, 1964) is an ex-hedge fund manager, formerly of the investment firm Fortress Investment Group. He was ranked a billionaire by "Forbes" in 2007 and 2008.