1. Graduate Research Assistant and Ph.D. Candidate, Dept. of Geological Engineering, Univ. of Wisconsin–Madison, Madison, WI.
2. Formerly, Graduate Research Assistant, School of Engineering, Univ. of Virginia, Charlottesville, VA.
3. Wisconsin Distinguished Professor Emeritus, Dept. of Geological Engineering, Univ. of Wisconsin–Madison, Madison, WI.
4. Assistant Professor, Dept. of Civil, Environmental, and Construction Engineering, Univ. of Central Florida, Orlando, FL.