JOHN L. MAGINN, CFA, is President of Maginn Associates, Inc., a financial consulting firm. He is also an adjunct professor in the MBA program at Creighton University. He is retired from Mutual of Omaha, where he was the chief investment officer and treasurer, and is also a past chairman of the board of trustees of AIMR, the predecessor to CFA Institute.
DONALD L. TUTTLE, PHD, CFA, was vice president of CFA Institute in its Curriculum and Examinations Department from 1992 until his retirement in 2004. He received his PhD from the University of North Carolina at Chapel Hill.