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Keller Group
Our team delivers deep foundations, ground improvement, earth retention, and grouting solutions tailored to the region's complex subsurface conditions, including seismic hazards, liquefaction-prone soils, and highly urbanized construction environments. We provide full-service support from preconstruction through in-house design-build engineering, construction management, and project execution.
Geotechnical expertise in Southern California
Southern California presents some of the most challenging geotechnical conditions in North America due to active seismic activity, variable soil conditions, and dense urban development. Keller's Southern California team has experience addressing:
- Seismic design and resilience
- Liquefaction mitigation
- Deep excavations in urban environments
- Transportation and infrastructure construction
- Variable alluvial and coastal soil conditions
- High-density commercial and residential development
Our geotechnical solutions
Key contacts
Sunil Arora, PE, is a Branch Manager at Keller North America.
Sunil leads operations, business development, project execution, and strategic growth initiatives across Southern California. With extensive experience in geotechnical construction, he has managed a wide range of deep foundation, ground improvement, and earth retention projects for commercial, infrastructure, transportation, and industrial clients. He earned a Master of Science in Civil Engineering from University of Maryland and is a licensed Professional Engineer.
Tim Avery is a Senior Business Development Manager at Keller North America.
He supports geotechnical construction projects across the western United States. With more than 35 years of industry experience, he has held roles in business development and technical sales at leading firms, bringing deep expertise in ground improvement, earth retention, and foundation systems.
Tim holds both a Bachelor of Science and a Master of Science in Geological Engineering from the University of Arizona College of Mines.
David Chae, PE, is a Pre-Construction Manager at Keller North America.
Since joining Keller in 2017, he has progressed through roles including Project Intern, Field Engineer, Project Engineer, Assistant Project Manager, Project Manager, and Preconstruction Manager. In his current role, he leads preconstruction efforts for geotechnical construction projects and supports estimating, planning, and project development activities.
David holds a Bachelor of Science in Structural Engineering from the University of California San Diego and is a licensed Professional Engineer in Arizona.
Shane Farr is a Senior Vice President at Keller North America.
Shane currently oversees US Foundations operations in our Pacific region, covering the Western United States and non-contiguous states. Shane holds a BS in Civil Engineering from Purdue University and brings almost 30 years of experience in geotechnical engineering, design, and construction. He is a licensed Professional and Structural Engineer in Illinois.
Shane joined Keller (then Hayward Baker) in 2005 and has held progressive leadership roles across the Midwest and California, overseeing structural support and deep foundation operations throughout the western United States. In 2024, Shane was appointed to his current role of Senior Vice President.
Featured projects
Commercial
House of Imports - Mercedes Benz Service Center
Obtaining the necessary city permits can be time-consuming, delaying what would otherwise be a short-duration project. Keller’s many decades of experience can be instrumental in expediting the process to provide a complete permitting/design/execution package quickly and efficiently.
Institutional
Seaworld Electric Eel
Keller completed the construction of the Electric Eel roller coaster foundations a week ahead of schedule and without causing harm to adjacent sensitive exhibits.
Institutional
San Jose State University
Keller performed wet soil mixing to allow for the construction of the Interdisciplinary Science Building on the San Jose State University campus.
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