City of Commerce Washington Boulevard Rehabilitation Project
Commerce, CA | City of Commerce | Transportation
Award-winning pavement rehabilitation project for the City of Commerce.

Public engineering firm profile
San Dimas, CA
Leading Geotechnical Consulting Firm
Geo-Advantec, Inc. is a geotechnical consulting practice based in San Dimas, California. Founded in 2012, it provides engineering services from conceptual design and feasibility studies to project completion. It delivers geotechnical engineering, engineering geology, earthquake engineering, pavement engineering, and material testing services to public and private sector clients across Southern California.
Comprehensive underground and subsurface studies including field explorations, groundwater evaluation, foundation analysis, and soil engineering solutions tailored to project requirements.
Application of geologic sciences to identify hazards and earth-structure interactions, ensuring natural factors are incorporated safely into project designs.
Comprehensive geohazard and geological investigations to support seismic rehabilitation and design across Southern California.
Installation and monitoring of instrumentation for complex projects such as tunnels, slopes, and deep excavations near sensitive structures.
Work in this area is organized into supported delivery tasks.
Work in this area is organized into supported delivery tasks.
Work in this area is organized into supported delivery tasks.
Quality control testing and construction observation by certified multi-discipline inspectors.
Commerce, CA | City of Commerce | Transportation
Award-winning pavement rehabilitation project for the City of Commerce.
Commerce, CA | City of Commerce | Transportation
Award-winning pavement rehabilitation project for the City of Commerce.
Palmdale, CA | Palmdale Air Force Base | Aviation
Pavement design project for the runway and taxiway sections at Palmdale Air Force Base.
President / Principal Geotechnical Engineer
Ph.D., P.E., G.E.
Dr. Ariannia is a registered Civil and Geotechnical Engineer with over 39 years of experience in the design, supervision, and technical management of major projects in structural and geotechnical fields. He founded Geo-Advantec, Inc. in January 2012.
Vice President / Principal Engineering Geologist
P.G., C.E.G.
Mr. Hanson is a Professional Geologist and Certified Engineering Geologist with over 39 years of experience in performing geological and geotechnical investigations, geologic inspections, and preparing geological reports.
Vice President / Marketing and Business Development
M.B.A.
Ms. Anderson has over 17 years of experience in the architecture and engineering industry, specializing in marketing, branding, project management, business development, and proposal development.
Senior Geotechnical Engineer / Seismic Specialist
Ph.D., P.E., G.E.
Dr. Shafiee is a registered Civil and Geotechnical Engineer with over 20 years of experience at the international level in the field of geotechnical earthquake engineering.
Senior Geotechnical Engineer / Engineering Manager
M.S., P.E., G.E.
Mr. Lee is a registered Civil and Geotechnical Engineer with over a decade of specialized experience in geotechnical engineering within the Southern California region.