Ratan Tata and Cyrus Mistry
Ratan Tata: Ratan Tata took over as chairman of Tata Sons in 1991 after J R D Tata stepped down. During the 21 years at the Tata Group, revenues grew over 40 times, and profit, over 50 times.
Cyrus Mistry: He was appointed as the sixth chairman of the Tata Group in 2012 after Ratan Tata announced his retirement. Mistry's family owns over 18% stake in Tata Sons, the holding company of Tata Group, though holding with voting rights is only under 4%.