1. Ph.D. Student, Center for Bio-Mediated and Bio-Inspired Geotechnics, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.
2. Teaching Assistant, Dept. of Civil Engineering, College of Engineering, King Saud Univ.; Ph.D. Student, Center for Bio-Mediated and Bio-Inspired Geotechnics, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.
3. Regents Professor, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.
4. Associate Professor, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.