U.S. hedge fund giant Citadel founder and CEO Ken Griffin: AI has surpassed finance PhDs! Months of work done in just days Ken Griffin stated that the productivity of employees with PhDs in finance is being completely outpaced by artificial intelligence. With the emergence of AI toolchains driving a leap in productivity, tasks that used to take years can now be completed in just days or weeks. High-skill professional work that previously required weeks, months, or even years to finish can now be done by AI Agents in just a few hours or days.