Geotechincal Engineering Expert 45703 AZ

Expertise Description

I am a Registered Geotechnical Engineer with over 40 years of professional experience on major project assignments, including soil and foundation investigations, geologic and seismic investigations, field exploration and laboratory testing programs, engineering analysis, and on monitoring of earthwork and foundation construction for commercial, municipal, industrial, school, hospital, waterfront and residential developments. Since 1995, I have served as an independent geotechnical engineering consultant on over 700 design and construction projects, case reviews, and consulting assignments. I served as geotechnical engineering consultant to established engineering firms in California and Nevada, and as expert witness for legal dispute resolutions and insurance claim assessments. I have more than 15 years expert witness experience.

Areas of Expertise

Expert Witness

My expert witness experience includes: Counsel representing insurance company for victims of catastrophic failure of hydraulic earth-fill dam; Plaintiff attorney representing railroad employee injured in construction excavation slope failure; Defense attorney representing V-ditch subcontractor on major hillside residential development; Defense attorney representing plumbing subcontractor on major warehouse facility; Legal dispute resolutions and insurance claim assessments.

Consulting Experience

My consulting services include: Compilation and review of historical data, correspondence, drawings, consultants reports and photographs, deposition transcripts and exhibits, and data analysis; case files, design drawings, observed and site conditions; Assessed aligned construction defect claims for damages to hillside drainage facilities and slopes; investigation of distress to structural foundations, and earth embankments, including damages caused by expansive soil, settlement, slope instability, groundwater seepage, soil liquefaction, erosion, design deficiencies, defective construction, and earthquakes;Review and determine causes for damages or failures. My consulting projects include: pile foundation design for a subsurface bridge; widening of access roadways; single-span roadway bridge over a river; stability analyses performed to evaluate proposed river embankment slope designs, provide adequate factors-of-safety for slopes under normal river flow


M. Engr.Geotechnical EngineeringUniversity of California Berkeley
B.S.Civil EngineeringCalifornia State Polytechnic University Pomonoa
A.A.Engineering TechnologyMerritt Jr. College California

Licenses Certifications

Registered Geotechnical Engineer
Registered Civil Engineer
Registered Civil Engineer

Primary Affiliation

Earthquake Engineering Research Institute