Mr. Kumar Birla serves as Chairman at Aditya Birla Retail. Mr. Kumar Birla serves as Chairman at Idea Cellular. Mr. Birla chairs the Boards of all of the Group's major companies in India and globally. Among its clutch of companies globally feature Novelis, Columbian Chemicals, Aditya Birla Minerals, Aditya Birla Chemicals, Thai Carbon Black, Alexandria Carbon Black, Domsjö Fabriker and Terrace Bay Pulp Mill, among others. In India, he chairs the Boards of Hindalco, Grasim, UltraTech, Aditya Birla Capital and Idea. Under his stewardship, the Aditya Birla Group enjoys a position of leadership in all the major sectors in which it operates.