1. Research Assistant, Dept. of Civil and Environmental Engineering, FAMU-FSU College of Engineering.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, FAMU-FSU College of Engineering.
3. Research Assistant, Division of Architecture and Urban Design, Incheon National Univ., Incheon, Republic of Korea.
4. Associate Professor, Division of Architecture and Urban Design, Incheon National Univ., Incheon, Republic of Korea.