G.R. Radhakrishnan holds a Bachelor of Commerce degree from Loyola College, Chennai, and has attended the Owners Presidents Management Program at Harvard Business School. Radhakrishnan also holds a diploma from HRD, Antwerp. HRD Antwerp is the leading authority in Diamond Grading, Jewellery Grading and Education. Radhakrishnan is Managing Director of GRT Group. GRT is a diversified Indian conglomerate with presence in jewelry retail business, hospitality , renewable energy, and education through the GRT Group of Educational Institutions.
GRT Jewellers undertakes CSR initiatives in education and health. Most recently GRT Jewellers has made CSR donations to the Cancer Institute in Chennai and Aaram Charitable Trust, an NGO in Chennai that provides holistic support to those in need. For the past several years, GRT group has also provided scholarships to deserving students from underprivileged backgrounds.