Executive director, Temasek HoldingsEDUCATION
MS, Stanford UniversityCAREER
Ran Singapore Technologies, a state-controlled defense contractorCHALLENGE
Weaning the 40 or so companies under her charge from government protection and making them more profitableMOST CONTROVERSIAL MOVE
Allowing the collapse of disk-drive maker Micropolis, a Singapore Technologies affiliateREPUTATION
Known as a methodical decision-maker who is determined to solicit opinions from managers and win them over with logical argumentPOWER PLUS
As the wife of Finance Minister Lee Hsien Loong and the daughter-in-law of Senior Minister Lee Kuan Yew, supposedly has the power to shake up the cozy culture of Singapore Inc.