Mistry studied at the Cathedral & John Connon School in Mumbai. He graduated from the Imperial College, London with a BE in civil engineering and holds a Master of Science in management from the London Business School. He is a fellow of the Institution of Civil Engineers.
Cyrus Mistry is the youngest son of Pallonji Mistry, an Irish-Parsi construction tycoon. Mistry's grandfather first bought shares in Tata Sons in the 1930s, a stake that currently stands at 18.5 percent, which is in the hands of Mistry's father, the largest single shareholder in a firm mostly controlled by trusts.[5] He has an elder brother Shapoor Mistry who is married to Behroze Sethna, the daughter of lawyer Rusi Sethna. Cyrus has two sisters: Laila and Aloo. His sister, Aloo, is married to Noel Tata, the half-brother of Ratan Tata. Laila is married to Rustom Jehangir.
Mistry is married to Rohiqa Chagla, the daughter of lawyer Iqbal Chagla and the granddaughter of renowned jurist M.C. Chagla. Together, Mistry and his wife have two sons.
Cyrus Mistry has been managing director of Shapoorji Pallonji & Company, which is part of the Rs 15,000-crore Shapoorji Pallonji Group (SP Group). He got the chance to join Tata Sons' board a year after his father retired as director in 2005 and has been serving in the capacity of a director of Tata Sons since September 1, 2006. He served as a Director of Tata Elxsi Limited, from September 24,