1. Dray & Associates, Oakland, CA, USA
2. IBM (Retired), Yorktown Heights, NY, USA
3. The Pennsylvania State University, University Park, PA, USA
4. Carnegie Mellon University, Pittsburgh, PA, USA
5. Google, Inc. (Retired), Mountain View, CA, USA
6. Dalian Maritime University, Dalian, China
7. GE Global Research, San Ramon, CA, USA
8. University of Maryland, College Park, MD, USA
9. University Amsterdam, Amsterdam, Netherlands