Olivia Lum
Olivia Lum
Executive chairman and group CEO, Hyflux

Singapore

Though she founded Hyflux in 1989, Lum, 51, still stands out in the ranks of Asian business. A self-financed entrepreneur whose company specializes in water desalinization, Lum last year became the first woman to win Ernst & Young's World Entrepreneur of the Year 2011.


By Rupali Arora, contributor @FortuneMagazine - Last updated April 12 2012: 4:23 PM ET
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