I have 23 years of experience, and specialize in the field of civil and structural engineering with specific knowledge in the areas of structural analysis and design, construction defects and accidents, damage investigations and failure analysis. I have published on such topics as concrete and steel structures, earthquake analysis, finite element analysis method and concrete material behavior and slab cracking. Received Alfred Noble Prize from the American Society of Civil Engineers. I have been interviewed by NPR (National Public Radio), Pacifica Radio, Bloomberg and CNN News for expertise on failure investigations and San Francisco Bay Bridge retrofit.