The world’s richest self-made women

DIBYANGSHU SARKAR/ AFP/ Getty Images

Kiran Mazumdar-Shaw, 65, founded Biocon India in 1978 quite by accident – she had trained as a brewer but said she faced such “hostility and gender bias” that she instead set up a bio-tech start-up. Worth $3.3 billion (£2.5bn), she is India’s only self-made woman, despite the country having a similar-sized population to China.