Ambiga Subramanian was leading Mu Sigma as its CEO. She is the first woman to head this startup. The company is of $1.5 billion and has remained in profit since it was established. She was born in Chennai and completed her bachelor’s degree in Electrical engineering from Anna University Chennai. After graduation she went to USA and did MS in Computer Engineering from Wayne State University Michigan.  She joined Motorola in 1998 as Research Lead in 1998. The she joined Mu Sigma a data analytics firm which was started by her ex-husband Dhiraj Rajaram in 2004. There were several ups and downs in her personal life. She separated from her husband and left Mu Sigma in 2016 after working for several years as its CEO COO. After this she started working on a social networking application hyphen.social in 2018 according to Business world. After exiting from Mu Sigma she sold 24 percent of her stakes to Dhiraj after their divorce. She then started investing in a number of companies in the world like Box8 Piper Biosciences Innov8 CarterX ICE Creative Excellence and others. Subramanian was ranked fourth after Kiran Mazumdar-Shawwhen her net worth was around Rs2500 crore ($381 million). Subramanian and Rajaram first met in the early 1990s at the Engineering college. Rajaram worked with consultancies like Booz Allen Hamilton and PwC before starting his own business with Mu Sigma.  However 2016  was not good as the company faced an internal crisis when Subramanian and Rajaram  got divorced and many employees left the company in the crisis. This led to a chaos to a business. In 2016 Mu Sigma’s revenues fell to $165 million from $184 million and the fall reduced when Rajaram bought out Subramanian’s stake. Ambiga Subramanian is now working for her startup and not given much public appearance.