Ratan Tata is an Indian businessman, investor, philanthropist and chairman emeritus of Tata Sons. He was the chairman of the Tata group, a Mumbai-based global business conglomerate from 1991 until 2012, after having begun his career in the Tata group in 1962. He continues to head the Tata group’s charitable trusts. He is a director on the board of Alcoa Inc. and serves on the jury panel of the Pritzker Prize. He is also a member of the Board of Trustees of the University of Southern California, Cornell University, Harvard Business School Board of Dean's Advisors, and X Prize.