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Maths genius puts down UBS risk book, heads to Citadel

Quant who achieved the coveted rank of MD at just 28 is off to join Ken Griffin's investment firm

Wednesday, 19 April 2017 at 05:14

Maths genius puts down UBS risk book, heads to Citadel
Photo: iStockPhoto

The global head of trading for UBS' central risk book - a maths prodigy who achieved the coveted rank of managing director at the unusually young age of 28 - is leaving to join the hedge fund Citadel.

Paul Jefferys, a quantitative trader who plays a key role in managing risk for the Swiss bank's equities business, will join Ken Griffin's $26 billion investment group in an as yet unknown role, according to people familiar with the matter.