Adar Poonawalla is the CEO of Serum Institute of India, the largest vaccine manufacturer in the world. He took over the company from his father in 2011. Under his leadership, Serum Institute's exports have grown from 35 countries to over 140 countries. It now generates 85% of its revenues from international sales. Poonawalla is married with two sons and owns a collection of high-end sports cars including Ferraris, Lamborghinis, and a rare Batmobile.