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About Us

WGI is a design-build engineering firm based in Irvine, CA serving California, Arizona, Nevada and New Mexico.  We specialize in providing Geopier ground improvement solutions to support settlement sensitive structures.  Through continual research and development, Geopier has expanded its system capabilities to meet many ground improvement challenges. The systems have become preferred alternatives to massive over-excavation and replacement or deep foundations, including driven piles, drilled shafts or augered cast-in-place piles. Thousands of structures around the world are currently supported by Geopier technologies. This proven experience ensures high levels of performance and reliability while providing value compared to traditional systems.
Ken Hoevelkamp, P.E.
Principal Engineer
In Partnership With

Ken is a principal engineer for WGI.  He has been involved with research specifically concerning Geopier applications for over 15 years.  Mr. Hoevelkamp is primarly responsible to actively advance the growth of the company.

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Aaron Bishop, P.E.
Regional Manager - San Diego and Orange County

Aaron is a regional manager for WGI with over 15 years of experience in geotechnical engineering. He ensures the company's continued success through sales, marketing, and engineering support of all Geopier branded systems.

Craig Streit, LEED AP
Regional Manager - Southwest

Craig is a regional manager for WGI with over 15 years of experience in the construction industry.  He is supporting the installation of all Geopier systems in the Arizona, Nevada and New Mexico markets.

Ryan Bulatao, G.E., P.E.
Regional Manager - Los Angeles

As a registered GE and PE in California, Ryan has spent over 16 years in geotechnical engineering.  He has performed and managed small and large-scale geotechnical investigations and the related construction services for various types of projects including: mid to high rise buildings, water related conveyance facilities, tunnels, pipelines, dams and reservoirs, and roadways.  Ryan is responsible for design and construction of all Geopier systems in Los Angeles.

Mandro M. Eslami, Ph.D., P.E.
Regional Manager - Inland Empire

Mandro serves as the Inland Empire and eastern LA County regional manager for WGI and Geopier. Mandro completed his Ph.D. and M.S in geotechnical earthquake at UCLA and worked on research projects involving cyclic behavior of low-plasticity fine-grained soils. Prior to WGI, Mandro spent most of his career in geotechnical consulting in the Greater Los Angeles area on high rise buildings, dams, tunnels, pipelines, and water treatment plant projects.

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