Tapan Das is a development professional with 24 years of experience across various sectors. He has worked on large-scale programmes from scratch—scaling them to the national level and managing large teams while working with diverse organisations as well as the government. In his recent work with Tata Trusts (and now NISD), he led Elder Line in scaling from one city to 31 states/union territories, benefitting over 1,50,000 senior citizens in less than two years.