Brian Eales is a principal lecturer in the Department of Economics, Finance and Business at London Metropolitan University. He is also a consultant and trainer at FOW, the derivatives training and consulting firm. Brian Eales worked in the securities department of the Commerzbank in Frankfurt. He is a graduate of the London School of Economics. Brian's previous publications include Financial Engineering and Financial Risk Management.Moorad Choudhry is Chief Executive Officer, Habib Bank Zurich PLC in London, and Visiting Professor at the Department of Mathematical Sciences, Brunel University. Previously he was Head of Treasury of the Corporate Banking Division, Royal Bank of Scotland. Prior to joining RBS, he was a bond trader and structured finance repo trader at KBC Financial Products, ABN Amro Hoare Govett Limited and Hambros Bank Limited. He has a PhD from Birkbeck, University of London and an MBA from Henley Business School. Moorad lives in Surrey, England.