Luca Bolognese (who was on the F# team at Microsoft, and who gave the first talk on F# that I ever watched) left Microsoft to go to Credit Suisse, so that makes

Luca Bolognese (who was on the F# team at Microsoft, and who gave the first talk on F# that I ever watched) left Microsoft to go to Credit Suisse, so that makes sense. As to other financial firms using F#, Don Syme (the F# lead) posts F# job listings on his blog, and many of them are at finance companies: http://blogs.msdn.com/b/dsyme/archive/tags/f_2300_+jobs/ http://blogs.msdn.com/b/dsyme/archive/tags/f_2300_+jobs/