Mazumder is the Chief Information Officer of Tata Consultancy Services; spearheading the technologies that enable nearly 400K, TCSers deliver excellence to our clients and partners. He is also the Global Head of business units - Ultimatix (Information Technology) and Strategic Solutions & Sales Enablement - of TCS. As the CIO, Mazumder is not just responsible for TCS' clients and partners, but also for innovating and catapulting the team to the next level of digital evolution. As the global head of Ultimatix, 2600+ TCS techies report to him and ensure that the systems can handle 395K+ users, 250+ enterprise applications processing 3000+ TB of data through 16 platforms across technologies - per year. In his previous roles at TCS, he was the global head for Oracle Practices, account manager of large account relationships, director of alliances, and the global head of strategic solutions and sales enablement. Mazumder is also responsible for the sales data quality, sales processes, systems and knowledge management across TCS.