Thomas A. Newsom, PE

Expert Witness


Bachelor of Science, Geological Sciences
San Diego State University, California

Mechanical Engineering/Geological Sciences
Oregon State University, Corvallis, Oregon


Professional Engineer, California, #71926
Professional Engineer, Nevada, #19931
Professional Engineer, Arizona, #51343
Professional Engineer, Hawaii, #17768
Certified Engineering Geologist, California, #1791
Registered Geologist, California, #5456


San Diego Association of Geologists
Geologic Society of America
National Institute for Certification in Engineering Technologies
Level II Certification in Geotechnical Engineering Technology in the technical sub fields of Exploration and Construction – No. 071874 CPN Corporation
Short course on Radiation & Use of Nuclear Soil Gauges – No. 6515
Soil and Foundation Engineers Association
Completion of Technician Certification Program – No. 113


Mr. Newsom has performed forensic investigations, analysis and expert witness services on numerous residential and commercial projects located throughout the State of California, as well as Nevada and Arizona. Mr. Newsom’s experience includes site analysis and design, drainage analysis, drainage facility design, sewer analysis and design. Mr. Newsom is also an Engineering Geologist and has extensive geotechnical experience with design and construction of subsurface soil improvement and construction of surface improvements including culverts, bridges, roadways and foundations.