Ratan Tata was born in 1937 and received engineering and business degrees from Cornell and Harvard. He joined the Tata Group in 1962 and became chairman in 1991, reshaping the fortunes of the conglomerate. Under his leadership, Tata expanded through strategic acquisitions and launched new companies and products. He emphasized ethics and social responsibility while growing Tata into a global business with services and international operations. Tata stepped down as chairman in 2012 after transforming the conservative manufacturer into a diversified multinational corporation.