Sunil was born in Lucknow, India in 1944. He graduated high school from La Martiniere College, Lucknow ( Google that) and received a bachelor’s degree in Mechanical Engineering from Indian Institute of Technology, Roorkee.
He worked at Union Carbide India before proceeding to University of California at Berkeley for graduate work. He received both a Masters Degree in Engineering as well as an MBA from Berkeley. He worked as a Mechanical Engineer at American Can Company in San Francisco where his claim to fame is he designed the machine that puts the can cover on the beer can making it safe for you beer drinkers to imbibe. For the majority of his career he was in finance: first, as an international banker with Bankers Trust Company serving in Mumbai, Singapore and New York and then, as an investment advisor with Fidelity Investments from which he retired in 2004.
He and his wife, Deepika have lived in Darien since 1985. They have two sons, one a doctor and the the other a lawyer.