Tata Sons Chairman Natarajan Chandrasekaran declared his resignation from the role on Wednesday. He had taken over as the seventh Chairman of Tata Sons in February 2017. Throughout the 158-year legacy of the Tata Group, the position was previously held by Cyrus Mistry, Ratan Tata, Jehangir Ratanji Dadabhoy Tata (JRD Tata), Nowroji Saklatvala, Dorabji Tata, and Jamsetji Tata.