Edge writes: "Valve Software president Gabe Newell is set to deliver a keynote address to open the 2009 D.I.C.E. Summit in Las Vegas.
"Gabe Newell and Valve have become a force for innovation in gaming over the past a decade, creating some of the best-selling games of all time and a ground-breaking platform for PC entertainment," says Joseph Olin, president of the Academy of Interactive Arts & Sciences. 'His perspective and vision of the games industry are a welcome addition to this year's D.I.C.E. Summit, and will greatly contribute to the high-profile line-up.'"