Michael Keeley, a senior partner in Walbrook Capital, which has taken a 17% stake in the National Asset Management Agency Investment Ltd (Namail) was embroiled in a standoff between the UK Financial Services Authority and Barclays Bank in 2011.

UK bank Barclays protected itself against wild swings in the price of complex credit products today by agreeing a US$12.3bn (€8.3bn) deal with former employees.