Odisha-born Ajit Jain is a former McKinsey executive who joined Berkshire Hathaway in 1986 and currently heads the insurance division of the $500-billion company. The 67-year-old holds a B.Tech from IIT Kharagpur and MBA from Harvard. Berkshire's 88-year-old CEO Warren Buffett recently said Jain, promoted to Board last year, would join him to answer shareholders' questions in the near future.