JPMorgan Chase
3 former staff tracked on the wiki, 3 of whom now run something.
Worked here, then
3 listed
Edward ViaeneVP Information Risk Manager · Sep 2012 – Apr 2014Co-Founder & Managing Director, IN4IT
Irina KlokovaInvestment banking department · 1999 – 2001Co-Founder, Board Member, European Data Compliance Network EUDCN
Marc DelbaereJunior Trader · Sep 1994 – Dec 1995Founder, Kindata