Leon Black, the United States billionaire philanthropist and former co‑founder of Apollo Global Management, made headlines on Thursday when he filed a lawsuit against the House Oversight Committee, refusing to comply with subpoenas issued during an investigation into his past relationship with the late sex offender Jeffrey Epstein.


Black, who had initially appeared voluntarily before the committee and was asked to discuss nondisclosure agreements (NDAs) he allegedly signed with Epstein, left the hearing mid‑session. The committee, claiming the subpoenas were “legitimate” and part of a legislative inquiry, has threatened to refer him for contempt proceedings and possible prosecution.


The lawsuit, filed in federal court in Washington, declares the committee’s demands invalid, arguing that producing the NDAs would potentially expose private women who had no public connection to Epstein. Black’s legal team, led by attorney Susan Estrich, contends that the subpoenas represent an abuse of congressional power aimed solely at damaging him.


In a statement, committee members blamed Black’s refusal on the “unacceptable” unwillingness to cooperate. Chairman Jomes Comer remarked that Black’s testimony is “crucial” to the investigation. By contrast, Black maintains that he paid Epstein $158 million over several years for legitimate wealth‑management services, and that he only learned of Epstein’s alleged illicit activity after charges were filed in 2019.


The broader fallout reflects a clash between powerful individuals and government oversight, with questions about privacy, access to evidence, and the limits of congressional authority at the forefront. The lawsuit will likely delay or complicate the committee’s pursuit of the full extent of Black’s ties to Epstein.