At the 17th annual Microsoft CEO Summit, more than 130 CEOs and other leaders from companies and organizations representing 27 countries and 8.7 million employees are expected gather at Microsoft’s corporate headquarters in Redmond, Wash. May 14-16 to share insights about pressing business challenges.

Steve Ballmer will address the Summit on May 15, noting that the companies that are best positioned for long-term growth are the ones most capable of transforming themselves, as Microsoft is doing now.