Bernard Lawrence Madoff (MAY-dawf; April 29, 1938 – April 14, 2021) was an American financial criminal and financier who was the admitted mastermind of the largest known Ponzi scheme in history, worth an estimated $65 billion. He was at one time chairman of the Nasdaq stock exchange. His firm had two basic units: a stock brokerage and an asset management business; the Ponzi scheme was centered in the asset management business.
He founded a penny stock brokerage in 1960, which eventually grew into Bernard L. Madoff Investment Securities. He served as the company's chairman until his arrest on December 11, 2008. That year, the firm was the 6th-largest market maker in S&P 500 stocks. While the stock brokerage part of the business had a public profile, he tried to keep his asset management business low profile and exclusive.
At the firm, he employed his brother Peter Madoff as senior managing director and chief compliance officer, Peter's daughter Shana Mad...
