OpenAI has had a hell of a year. The company spent months battling former cofounder Elon Musk in a sensational jury trial, was hit with a high-profile trade secrets lawsuit from Apple, and faced widespread scrutiny after an unreleased model hacked another AI company. As it prepares for an IPO, a steady string of executives have departed, including some of the company’s biggest names.Throughout it all, one person has quietly amassed power: Greg Brockman.Brockman is currently OpenAI’s president an...