A former JPMorgan trader who left the bank earlier this year has joined a $1bn quantitative hedge fund that Credit Suisse plans to spin out of its asset management business by the end of the year.

Marco Dion, the former head of the central risk book trading desk in Europe for equities at JPMorgan, has joined The Qube Fund, which is managed by Credit Suisse Quantitative and Systematic Asset Management, according to his LinkedIn profile.