Noel Tata, the half-brother of late Ratan Tata, has taken over as Chairman of Tata Trust.He will lead the Tata Trusts, which hold a controlling stake in Tata Sons.Noel Tata has been associated with the Tata Group for over 40 years and has served on the boards of various Tata Group companies.He previously served as the Managing Director of Tata International Ltd and Trent Ltd.