Honorary Professor
Mathematics, The University of Queensland (uq.edu.au)
2024 – Present
Full Professor
Computer Sciences, University of Wisconsin, Madison (wisc.edu)
2001 – Present
Senior Computer Scientist
Mathematics and Computer Science Division, Argonne National Laboratory (anl.gov)
1997 – 2001
Computer Scientist
Mathematics and Computer Science Division, Argonne National Laboratory (anl.gov)
1990 – 1997