I have 35 years of experience, and specialize in the field of civil engineering with specific knowledge in the areas of geotechnical engineering, foundation engineering, and soil mechanics and geotechnical earthquake engineering. I have published on such topics as soil behavior, deep foundation design and construction, geotechnical earthquake engineering and ground improvement. I have testified on nuclear power plants, nuclear waste storage energy, distressed slab-on public grade school and shopping mall, oil storage tanks and outfall.