David Warren – London Stock Exchange Group

David Warren was appointed the London Stock Exchange Group's Chief Financial Officer and joined the London Stock Exchange Group Board as a Director on 2 July 2012. David previously spent 9 years as CFO at Nasdaq OMX, where he was responsible for all financial operations, including accounting, SEC and regulatory reporting, treasury, tax, risk management, financial planning and analysis, corporate finance and investor relations. Following this, David spent two years as a Senior Adviser to the CEO of NASDAQ OMX. Prior to his time at Nasdaq OMX, David held a number of senior finance roles, including 7 years at CS First Boston.