High Quality Content by WIKIPEDIA articles! Harry M. Markopolos (born October 22, 1956) is a former securities industry executive and independent financial fraud investigator for institutional investors and others seeking forensic accounting expertise. He has received public acclaim for discovering evidence over a period of nine years that Bernard Madoff`s wealth management business was actually a massive Ponzi scheme. Madoff was ultimately sentenced to 150 years in prison after admitting to operating the biggest Ponzi scheme in history. During March 2010 his book on uncovering the Madoff fraud was published, titled No One Would Listen: A True Financial Thriller.