The banking analyst recalls some of his clashes with Citigroup and Lehman Brothers in the run up to, and during, the financial crisis
Mike Mayo, the banking analyst who has clashed repeatedly with Wall Street's biggest institutions, sits down with IR magazine's Ian Williams to discuss the banking sector.
He has recently published an autobiography called Exile on Wall Street: one analyst's fight to save the big banks from themselves.
Watch Mike Mayo discuss the investor relations industry.