Why CTOs have the biggest job on Wall Street right now. Tech leaders from Goldman and Citadel open up about how the job is evolving in the age of AI

• Wall Street firms are eager to crack the code on AI to drive productivity and save costs.
• AI hype has put tech leaders centerstage, setting strategies that go beyond pure technology.
• Tech leaders from Citadel, Goldman Sachs, and AllianceBernstein talk about how the job has changed.

When Ken Griffin, the billionaire CEO of the hedge fund Citadel, took to the stage at the biggest financial conference of the year in May, he threw a spotlight on a mostly behind-the-scenes figure on Wall Street.