With more than 40 years in practice, this Ph.D.-level engineer brings deep expertise in geotechnical and earthquake engineering, grounded in work spanning civil engineering, engineering geology, and applied geophysics. His work centers on understanding soil behavior under seismic loading, including liquefaction, ground motion effects, and soil–structure interaction, with applications to both natural hazards and the performance of built systems.

His career includes more than 40 years with a federal scientific agency as a research civil engineer, where he conducted geotechnical earthquake research and contributed to field investigations of major seismic events worldwide. He has participated in more than 30 extreme-event reconnaissance missions and played a foundational role in national initiatives focused on geotechnical hazard assessment. Alongside this work, he holds a faculty appointment at a university, contributing to teaching, research, and applied engineering analysis. His scholarly output exceeds 400 publications across geotechnical engineering, remote sensing methods, and engineering geophysics.

He is a licensed Professional Engineer and an active member of organizations such as the American Society of Civil Engineers and the Earthquake Engineering Research Institute. His contributions have been recognized through multiple honors, including awards from professional and governmental organizations. In addition to his research and academic work, he has provided expert analysis and testimony in matters involving geotechnical and seismic engineering.