 He was also a founder of Rockrena Inc., which launched Rock City Club, a social music network.Wishna had been called "a wheeler and dealer in the gaming industry".Wishna "put together a deal potentially worth $250 million for Wayne Newton" at the Stardust Resort & Casino, and had worked with celebrities such as Michael Flatley, Britney Spears, Richard Branson and Mohamed al-Fayed on projects in Las Vegas.