Former Goldman Sachs Group Inc. Director Rajat Gupta

Former Goldman Sachs Group Inc. Director Rajat Gupta

Peter Foley/Bloomberg

Former Goldman Sachs Group Inc. Director Rajat Gupta, seen here, was found guilty of leaking tips to Rajaratnam about New York-based Goldman Sachs, including information about a $5 billion investment by Warren Buffett’s Berkshire Hathaway Inc., and a tip on a quarterly loss.