Mario Giannini Author

Jim Keogh is on the faculty of Columbia University teaching courses in its technology certification program. He has spent 15 years developing computer systems for major Wall Street firms such as Salomen, Inc. and Bear Stearns and has written several best-selling books for Prentice Hall and IDG. Mario Giannini (New York, NY) is the chair of the programming track at Columbia University and has written several computer technology books for Prentice-Hall.