Later , he was a managing director and partner at Loop Capital Markets , a minority - owned boutique investment banking firm .
He was then a vice president , from 1992 to 1999 , at Morgan Stanley Dean Witter .
Later , vice president was a vice president   and partner at Loop Capital Markets , a minority - owned boutique investment banking firm .
He was then a vice president , from 1992 to 1999 , at Morgan Stanley Dean Witter .