Bengt O. Muthén (Ph.D., Statistics, Uppsala University). Dr. Muthén is Professor Emeritus at the Graduate School of Education & Information Studies at UCLA. He was the 1988-89 President of the Psychometric Society. Dr. Muthén is one of the developers of the Mplus computer program, which implements many of his statistical procedures.

Dr. Muthén's research interests focus on the development of applied statistical methodology in areas of public health and education. Public health applications involve developmental studies in epidemiology and psychology while education applications concern achievement development. Methodological areas include latent variable modeling, analysis of individual differences in longitudinal data, preventive intervention studies, analysis of categorical data, multilevel modeling, and the development of statistical software.