This article dated 2005, is titled Fowler's magnum opus and can be found on the UK's Telegraph website here.
This is my favorite line:
As the majority shareholder in Kraken, Fowler's stake will be worth more than $50m if, according to plan, KSM floats in the second quarter of 2006.Whoops. I guess by 2009, something went a bit off course. There's the London Gazette's article about Kraken Opus insolvency June 26, 2009 (also seen in other articles elsewhere as a management buyout).
In case anyone wonders why Goldman Sachs rings a bell in recent memory, well, the SEC (US government agency) just filed fraud charges against Goldman Sachs. SFGate: The Goldman Sachs Fraud Explained
NOTE: Current events about Goldman Sachs is mentioned only because this is a current event in the US. Karl Fowler left Goldman Sachs back in 2002 and it is not implied he is/was involved in the current US story.