Tomasz R. Bielecki is a Professor of Applied Mathematics at the Illinois Institute of Technology. He is the author of numerous research papers in the areas of stochastic analysis, stochastic control, manufacturing systems, operations research, and mathematical finance. Bielecki is a coauthor of the monographs Credit Risk: Modeling, Valuation and Hedging and Credit Risk Modeling . He has been a recipient of various research grants and awards and consults for various financial companies. Damiano Brigo was recently appointed as Gilbart Professor of Financial Mathematics at King's College, London, heading the research of the mathematicalfinance group. He has published more than fifty worksin top journals on mathematical finance, systemstheory, probability, and statistics; a book for Springer-Verlag that has become a field reference in stochasticinterest rate modeling; and a book for Wiley on creditmodels and the crisis. Brigo obtained a PhD in stochastic filtering with differential geometry in 1996 from the Free University of Amsterdam. Frederic Patras is Director of Research at the Centre National de la Recherche Scientifique (Universite de Nice, France) and head of quantitative analysis at Zeliade Systems, a software and service provider for financial institutions. He studied at the ecole Normale Superieure (Paris) and obtained a PhD in mathematics at the Universite Paris 7-Denis Diderot. He has authored more than thirty research papers in combinatorics, mathematical physics, probability, statistics, and mathematical finance.