Dan received MS and PhD degrees from the Department of Statistics at Iowa State University in 1982 and 1985, respectively. He was a distinguished member of technical staff, and a technical manager at AT&T Bell Laboratories between 1985-2003. Concurrent with those positions, he was a visiting part-time lecturer in the Department of Statistics at Rutgers University.
Since 2003, he has been a faculty member in the Department of Statistics at the University of California, Riverside (UCR) serving as Chair of the department 2008-2015. He is currently the Vice Provost of Academic Personnel at UCR. He is an elected Fellow of the American Statistical Association and an Elected Member of the International Statistical Institute. He has published over 100 peer-reviewed journal articles and is a co-inventor on 10 U.S. Patents. He served a 3-year term on the Board of Directors of ASA in 2013-2015.