Cyrus S. Poonawalla (born in 1941) is an Indian billionaire businessman, and the chairman and managing director of the Cyrus Poonawalla Group, which includes the Serum Institute of India, an Indian biotech company which is the largest vaccine manufacturer in the world and Poonawalla Fincorp a leading NBFC in India.

[4] In October 2024, Poonawalla and his family were ranked ninth on Forbes list of India’s 100 richest tycoons, with a net worth of $24.5 billion.

[1] Poonawalla founded the Serum Institute of India in 1966 and built it into the largest vaccine manufacturer (by doses) in the world.

Serum produces over 1.5 billion doses annually of a range of vaccines, including for measles, polio and flu.

[8][9] They have a son, Adar, who currently works as the CEO of Serum Institute of India.