investment banker(n = noun.person) underwriter - a banker who deals chiefly in underwriting new securities;
is a kind of agent, broker, factor
has particulars: killer bee

banker, closed-end investment company, fixed investment trust, foreign direct investment, investment, investment adviser, investment advisor, investment company, investment firm, investment funds, investment letter, investment trust, open-end investment company, real estate investment trust, return on investment, unit investment trust