1. Ph.D. Candidate, Dept. of Transportation and Urban Infrastructure, Morgan State Univ.
2. Assistant Professor, Dept. of Environmental and Civil Engineering, School of Engineering, Mercer Univ., Macon, GA.
3. Postdoctoral Research Associate, Dept. of Civil and Environmental Engineering, Florida International Univ., Miami, FL.
4. Ph.D. Student, Graduate Researcher, and Teaching Assistant, Dept. of Geography and Environmental Sustainability, Sarkeys Energy Center, Univ. of Oklahoma, Norman, OK.