Piyush Gupta, Citigroup's Chief Executive Officer for South East Asia and Pacific speaks during an interview with Reuters in Singapore in this March 13, 2009 file photo. DBS Group, Southeast Asia's biggest bank, confirmed on September 1, 2009, it has appointed Piyush Gupta, 49, as its new chief executive, nearly five months after its previous CEO died of cancer. Reuters Pictures 2 months ago

Piyush Gupta, Citigroup's Chief Executive Officer for South East Asia and Pacific speaks during an interview with Reuters in Singapore in this March 13, 2009 file photo. DBS Group, Southeast Asia's biggest bank, confirmed on September 1, 2009, it has appointed Piyush Gupta, 49, as its new chief executive, nearly five months after its previous CEO died of cancer.