Accepting the role, McDonnell said he was honoured to lead the group at a "critical juncture" for financial oversight in the UK, stressing that victims of investment fraud and regulatory failures "deserve justice, not excuses", adding 'We will not allow a race to the bottom in regulation'. He argued that consumer protection must be viewed not as a brake on growth but as "the foundation of a financial system that works in the public interest".
Powell's appearance will mark the end of a year-long standoff between the committee and ministers, who refused for months to make him available for scrutiny before parliament. The prime minister's spokesperson said on Monday that Powell takes his accountability responsibilities very seriously. The committee, chaired by Labour MP Matt Western, is in discussions with officials over the date of the hearing.