Education: Chartered accountant; MBA from London Business School Career: Took over the reins of the Aditya Birla Group after his father Aditya Vikram Birla passed away in 1995. Since then, has transformed the $2-billion group into a $41-billion behemoth with a presence across 36 countries in metals, viscose staple fibre, carbon black, cement, telecommunications, branded apparel, financial services and retail