In his sentencing memorandum he said that even though he was the Chief Compliance Officer of Madoff Securities and held other positions for decades, he was swindled by his elder brother, having no idea that he was sitting on top of a Ponzi scheme.

FORBES: Peter Madoff Gets What He Expected - 10 Years Prison

As part of his settlement, Brock was banned by the British Columbia Securities Commission from being a director or officer of any public company until 2008.

FORBES: On The Cover/Top Stories

The question of whether a comeback by someone booted out of the securities industry or barred from being an officer or director of a public company crosses the line has long been controversial.

WSJ: Gray Areas in Jobs After an SEC Ban