1. Department of Civil and Environmental Engineering, University of Nevada, Reno, NV, USA
2. Associate Director of the Western Regional Superpave Center, Department of Civil and Environmental Engineering University of Nevada, Reno, NV, USA
3. Director of the Western Regional Superpave Center, Department of Civil and Environmental Engineering University of Nevada, Reno, NV, USA
4. Maintenance and Asset Management Division, Nevada Department of Transportation, Carson City, NV, USA
5. Research Project Engineer, Minnesota Department of Transportation, Saint Paul, MN, USA