Citadel founder Ken Griffin sues US tax agency over leak of records Finance & Oportunity Citadel founder Ken Griffin sues US tax agency over leak of records Amanda T. Noriega 04/09/2023 5:32 AM Billionaire investor Kenneth Griffin has sued the Internal Revenue Service and US Treasury department over the leak... Read More Read more about Citadel founder Ken Griffin sues US tax agency over leak of records