Umesh Subramanian says he reaches out to top candidates when they're in their decision-making process about joining the firm.Citadel Citadel CTO Umesh Subramanian said he personally calls top candidates, including recent college grads. The calls have won many candidates over, but occasionally show they're not the right fit, he said. While the hedge fund talent war isn't new, AI has made recruiting even more competitive. Hedge funds are locked in a fierce talent war, shelling out pay packages worth ...