Noel Tata said that becoming chairman, after years as a trustee, had been humbling. Tata Trusts chairman Noel Tata on Saturday voiced concern that listing Tata Sons could alter the way the Tata Group functions, warning that with tens of thousands of shareholders, profit could one d. Amid controversies, Tata Trusts Chairman Noel Tata on Saturday expressed concern that a proposed public listing of Tata Sons could fundamentally alter the group’s traditional.