RICHARD J. ROSSI, PHD, is Professor in the Department of Mathematics at Montana Tech of The University of Montana in Butte, Montana. He served as President of the Montana Chapter of the American Statistical Association in 1996 and 2001 and as an Associate Editor for Biometrics from 1997-2000. He is a member of the American Mathematical Society, the Institute of Mathematical Statistics, and the American Statistical Association. Dr. Rossi received his PhD in statistics from Oregon State University in 1988.