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Register of Experts

Showing 1 - 2 of 2 Expert(s) found in All Categories

  • Sabrina Ma
    Director Business Development
    Roux Associates, Inc

    555 12th Street
    Suite 1725
    Oakland, CA 94607-

    Phone: (415) 967-6011
    Alternate: (415) 531-4480
    Fax: (415) 967-6001
    Email: sma@rouxinic.com
    www.rouxinc.com

    Specialties
    Roux Associates team of experts has evaluated complex technical issues in dispute during litigation and formulated expert opinions for presentation in reports, depositions and trials. Team members have provided expert witness testimony over a broad range of issues including the source and timing of chemical releases, groundwater contamination fate and transport, site cleanup cost and allocation among responsible parties, risk assessment, data validity and compliance with Federal and State regulators.
    Degrees/Licenses
    Class A, Haz Contractors; Professional Engineer; Profesional Geologist; Professional Hydrogeologist
  • R. Rexford Upp PhD
    Geotechnical Expert

    P.O. Box 725
    Campbell, CA 95009-0725

    Phone: (408) 590-5587
    Email: rex@rexpertwitness.com
    www.rexpertwitness.com

    Specialties
    Soil Engineering and Engineering Geology; Drainage (including foundation and basement moisture intrusion); earth movement (including Landslides, soil creep, expansive soil, fill settlement, erosion); geologic hazard evaluation (faults, earthquakes, liquifaction); distressed foundations/structures (residential, industrial, commercial).
    Degrees/Licenses
    MSCE, PhD, PG, CEG, HG, PE, GE.
    Formal Education
    BS, Mechanical Engineering, UC Berkeley, 1966; AB, Geology, Humboldt State Univ., 1975; BS, Environmental Engineering, Humboldt State Univ., 1975; MS, Watershed Management, Humboldt State Univ., 1975; MS, Soil Engineering, Stanford Univ., 1977; PhD, Engineering Geology, Stanford Univ., 1982.
    Reg/Lic
    Registered Geologist; Certified Engineering Geologist; Certified Hydrogeologist; Registered Civil Engineer; Registered Geotechnical Engineer.
    Previous/Current Position
    Geotechnical Expert (2012), Principal Engineer/Geologist at Upp Geotechnology, Inc. (1983-2012); Geologist, U.S. Geological Survey (1978-1980); Lecturer in Soil Engineering and rock mechanics, San Jose State University (1985-1987).
    Honors/Awards
    CalGeo 2008 and 2010 Outstanding Project Award.
    Prof. Affil.
    CalGeo - The California Geotechnical Engineering Association (Past President); Association of Environmental and Engineering Geologists, (Past President and past San Francisco Section Chairman); American Society of Civil Engineers (Life Member); Geologic Society of America (Senior Member); Forensic Expert Witness Association.
    Publications
    Over 30 professional publications and conference papers on landslides (e.g. "Scenic Drive Landslide, San Mateo County, Triggered by El Niño"), erosion (e.g. "Coastal bluff stabilization in Santa Cruz"), active faulting, Loma Prieta earthquake, distressed structures, ground water, and grading (e.g. "Grade a Road: Go to Jail - A Saga of California Criminal Justice").
    Prior Expert
    Testimony at over 20 trials; 75 depositions for both plaintiffs/defense in civil cases relating to wrongful deaths, landslides, foundation settlement, grading, fill compaction, and standard-of-care; and a criminal case relating to grading/erosion.

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