 Morris has also been a professor at the University of California, Santa Cruz, Frederick S. Pardee RAND Graduate School, Stanford University, and the University of Texas at Austin where he served as Director of the Center for Statistical Sciences.Morris is a Fellow of the American Statistical Association, Institute of Mathematical Statistics, and Royal Statistical Society, and an elected member of ISI.Morris was an editor of both the "Theory and Methods", the "Journal of the American Statistical Association" (1983–1985) and "Statistical Science" (1989–1991).