- 7/1/2005 to present University of Utah Professor (School of Computing)
- 8/15/2004 to 7/30/2005 INRIA Rhone-Alpes Visiting Scientist
- 9/1/1998 to 6/30/2005 University of Utah Associate Professor (School of Computing)
- 9/1/2003 to present University of Utah Associate Director Scientific Computing and Imaging Institute
- 2/1/1997 to 8/31/1998 University of Utah Research Associate Professor (Dept. of Computer Science)
- Distinguished Professor of Computer Science, School of Computing
- Faculty Member, Scientific Computing and Imaging Institute
Dr. Hansen's research interests include large-scale scientific visualization, parallel computer graphics algorithms and interactive techniques.