U.S. District Judge Tanya Chutkan of Washington, D.C., the judge overseeing former President Donald Trump’s case in the district, previously worked at a law firm that once employed Hunter Biden and worked closely with Ukrainian energy firm Burisma. Chutkan spent 12 years working for Boies, Schiller, & Flexner LLP (BSF) where she specialized in white collar litigation and antitrust defense, before she was nominated to her current position by former President Obama, her official bio states.