Madoff admitted he had been defrauding thousands of clients since the early 1990s - operating a classic Ponzi scheme - using the money that new customers invested to pay those who wanted to withdraw funds.
VOA: standard.2009.03.12
It added that Mr O'Sullivan's pay met an independent external payscheme.
When Fujitsu, a Japanese computer giant, introduced a performance-based payscheme during the 1990s, it proved so unpopular that the company had to scale it back.