Associate Professor, Department of Biostatistics, School of Public Health, University of Alabama at Birmingham (past)
Department Head, Department of Statistics, College of Arts and Sciences, Kansas State University
Associate Professor, Section on Statistical Genetics, Department of Biostatistics, School of Public Health, University of Alabama at Birmingham (past)
Professor, Department of Statistics, College of Arts and Sciences, Kansas State University
Assistant Professor, Mathematics & Statistics, College of Arts, Sciences, and Education, Missouri University of Science and Technology (past)
Associate Professor, Department of Statistics, College of Arts and Sciences, Kansas State University
Professor Emeritus, Department of Statistics, College of Arts and Sciences, Kansas State University