1. Incorporating roadway safety into a personal navigation application. The 17th COTA International Conference of Transportation Professionals, July, 2017, Shanghai, China

2. What we know, do not know and want to know about highway safety. July 2017, Southeast University, Nanking, China

3. Evaluating Local and Tribal Rural Road Design with Interactive Highway Safety Design Model, Case Studies in Performance-Based Analysis of Geometric Design Workshop, TRB 93rd Annual Meeting, January 2014, Washington D.C..

4. Applying Data Mining Techniques to Road Safety Analysis, To the Future! Emerging Methods in Road Safety Analysis Workshop, TRB 93rd Annual Meeting, January 2014, Washington D.C..

5. Application of the Interactive Highway Safety Design Model for Local and Tribal Roads. Safety Effects of Geometric Design Decisions Workshop, July, 2013, UC-Irvine, CA,

6. Effective Tribal Crash Report. South Dakota Annual Tribal Transportation Safety Summit, Rosebud, October, 2012, South Dakota.

7. Spatial Analysis of Weather-related Crashes Using a Bayesian Model. Geographic Information Science Center of Excellence (GIScCE), September 2012, South Dakota State University.

8. Variable Selection Issues in Regression Models. Shenzhen University, May 2012, Shenzhen, China.

9. Quantile Regression Application in Highway Safety Analysis. Southeast University, May 2012, Nanking, China.

10. Crash Count Prediction Models. Beijing Jiaotong University, May 2012, Beijing, China.

11. Introduction to the Highway Safety Manual (HSM), South Dakota 2012 Annual Safety