Former Saba Software Executive Will Lead Development of Spigit’s Social Innovation Software PLEASANTON, CA–(Marketwire – May 23, 2012) – Spigit, the leader in social innovation software and services, today announced that Madhukar Govindaraju has joined the Company’s executive team as the senior vice president of Engineering and Technology to drive the evolution of Spigit’s social innovation software. Govindaraju joins Spigit…