Categories Climate Change Environment Global Warming. Renewable Energy. Sustainability Tata’s TCS President Krishnan Ramanujam On Sustainability, Teams And Customer-Centricity Post author By Karen Walker Post date December 14, 2022 Customer centricity is actually what defines TCS and it is not only a core belief, but strategy for the company. Over the last 50 years, we have grown to be a global leader in the technology industry.