1. Assistant Professor, VinAcademy Education and Training, Hanoi, Vietnam, 10000.
2. Graduate Research Assistant, Durham School of Architectural Engineering and Construction, Univ. of Nebraska–Lincoln, Lincoln, NE 68588.
3. Assistant Professor, Sid and Reva Dewberry Dept. of Civil, Environmental, and Infrastructure Engineering, George Mason Univ., Fairfax, VA 22030.