Tata Consultancy Services (TCS) has appointed Amit Tiwari as the Global Head Marketing Demand Center. In his new role, Tiwari will have an Integrated Marketing approach to develop demand generation and creation strategy for sourced and influence pipeline with a clear matrix to measure and grow TCS's global business, according to his LinkedIn profile. Before TCS, Tiwari was associated as Vice President Marketing at Havells India Limited for more than four years.