Immediately upon completing his DPhil degree, Mukund Rajan came back to India and joined the Tata group as Ratan Tata s executive assistant. Over the next twenty-three years, as he worked closely with Ratan Tata, he got an inside view of the ups and downs, and the controversies and achievements of the Tata group. In this book, his memoir, he talks of what really went on during those turbulent times and how the Tatas pulled through each situation. In addition, this book offers a deeply personal portrait of the enigmatic Ratan Tata from his longest-serving executive assistant. The Brand Custodian is a study of the Tata group s evolution and explains the relevance of the conglomerate to the world we live in. Mukund Govind Rajan worked at the Tata group for twenty-three years, serving as, among others profiles, executive assistant to Ratan Tata, managing director of Tata Teleservices (Maharashtra) Ltd and brand custodian of the Tata group. In his last role, he was chief ethics officer and chaired the Tata Global Sustainability Council. He left the Tata group in March 2018 to become an entrepreneur.