Jörg Kienitz is partner at Quaternion Risk Management and owner of the finciraptor website (finciraptor.de). He is primarily involved in consulting on model validation, model development and model implementation. Jörg holds a Ph.D. in stochastic analysis and probability theory and has authored several papers and four books including “Monte Carlo Object Oriented Frameworks in C++” (with Daniel J. Duffy) “Financial Modelling” (with Daniel Wetterau), “Interest Rate Derivatives Explained I” and “Interest Rate Derivatives Explained II” (with Peter Caspers).