I have 30 years of experience and specialize in the field of design and construction with specific knowledge in the areas of building codes and zoning, methods and materials, and claims and defects. I have published on such topics as waterproofing, roofing, construction management, and claims and defects. I have testified 18 times on topics such as building codes, zoning, entitlements, permitting, claims, defects and water intrusion, and seismic upgrade.