A British financial whistleblower who raised allegations involving Andrew Mountbatten-Windsor, Jeffrey Epstein and senior figures in the banking industry has died aged 57, prompting renewed scrutiny of how regulators handle those who come forward with concerns.
Simon Andriesz died on September 23, according to The Banker.
Andy Agathangelou, founder of the Transparency Task Force, confirmed his death. His family said he had taken his own life and that there was no suggestion of foul play.
No evidence has established any connection between his death and the allegations he made.
The death came weeks after Andriesz said the personal consequences of speaking out had been “devastating” for his family and that he intended to publish further evidence about his disclosures.
In a post on X on August 9, he wrote: “The personal consequences of whistleblowing, and the retaliation I say followed, have been devastating for my family and me.”
He added: “I intend to share more of the evidence and the story behind what happened.”
He did not publish further posts before his death.
I am the British whistleblower who reported evidence concerning Howard Lutnick, his links to Jeffrey Epstein, and Cantor Fitzgerald and BGC to the FBI in 2020–21.
Listen to the BBC File on 4 documentary about my whistleblower story:https://t.co/kE2KRJCBRT
BBC News:…
— Simon Andriesz (@SAndriesz) August 9, 2026
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