Mu Sigma CEO And General Atlantic to sell combined stake at $1.5 billion valuation

General Atlantic is the largest investor in Mu Sigma, with a 24% stake. MuSigma CEO, Ambiga Subramanian, who divorced Mu Sigma founder and chairman Dhiraj Rajaram in May 2016, also has a 24% stake in the Chicago-based company. Other investors in Mu Sigma are Sequoia Capital, Fidelity Investments and MasterCard Inc.