GUEORGUI S. KONSTANTINOV, PHD, has over 17 years' experience in portfolio manage-ment, managing global bond portfolios and currencies for institutional investors and pension funds. He is an advisory board member of the Journal of Portfolio Management and the coauthor of Quantitative Global Bond -Portfolio Management.

FRANK J. FABOZZI, PHD, is Professor of Practice at John Hopkins University's Carey Business School. He has authored over 100 books and edited The Handbook of Fixed Income Securities and The Handbook of Mortgage-Backed Securities. He holds the CFA and CPA professional designations.