Bankers saw their popularity plummet in the wake of the financial crisis - some were reduced to becoming hate-figures.
In the UK, the government appointed a commission to recommend major banking reforms to help prevent future billion dollar bailouts by the taxpayer.
HARDtalk's Zeinab Badawi spoke to Bill Winters who sat on that commission and is also one of London's best known financiers. Can the greed and ineptitude of the bankers that he speaks of be stopped and what about his own record?
You can watch the full interview on BBC World News on Wednesday 2 November at 03:30 GMT, 08:30 GMT, 15:30 GMT and 20:30 GMT. And on BBC News Channel on Wednesday 2 November at 0030 and 0430 BST.
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