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40 Years of Experience

Jeff Smith - President and Owner

Jeff has 40 years of experience in all phases of commercial project development, planning, design and construction. Starting his career in Utah, Jeff has worked in Arizona, the San Francisco Bay area, greater Sacramento area and the California Central Valley.

Prior to forming JBS Builders, Jeff was employed with Opus West as Director and Vice President of Construction for the Northern California region. While in charge of project planning, entitlement and design-build functions, Jeff worked closely with owners, developers, users, tenants and design professionals providing a full project service. He has overseen the planning, design and construction of over 10 million square feet of office, industrial, retail, multi-family and condominium developments. Significant projects Jeff has been responsible for include the Department of Justice building at 1300 I Street in Sacramento (360,000 sf), Park Terrace at Mission Bay condominium project in San Francisco (110 unit), The Promenade at Natomas retail center (90 acre) Retail Power Center consisting of 600,000 sf of retail uses with associated on and offsite infrastructure, Gateway Corporate Center office project (240,000 sf of Class A office buildings, including tenant improvements), Opus Center Sierra Point in South San Francisco (74 acres, 1.5 million sf office and hotel development), Opus Logistics Center (650 acre, 8.2 million square foot industrial development in Stockton CA.) and Rocklin Corporate Center office project (220,000 sf of Class A office buildings, including tenant improvements).

Jeff holds Bachelor of Science degrees from Arizona State University, and the University of Utah. Jeff is a member of the Design-Build Institute of America and a California licensed General Contractor.

Dave Bertoni, Senior Superintendent

Dave Bertoni has over 35 years in construction across nearly all building disciplines, he embodies the best in commercial construction. Excellent track record of job site supervision, process improvement and demonstrated abilities in defining innovative solutions and methodologies for safe and cost-effective operations. Dave is an excellent problem-solver and decision-maker, with a thorough understanding of local and regional building regulations. He has built a reputation for solutions in the face challenges, while ensuring successful project execution and completion. Dave is valued for his strong with work ethic, communication and organization. His years in construction show through in his strong relationships with clients, inspectors and subcontractors. His loyalty and team-player mentality are a great example of what sets JBS Builders apart.

Marilyn Clay, Project Manager

Marilyn Clay has 20+ years of experience working in the commercial construction industry. She collaborates on all aspects of construction projects with the JBS Builders team. Marilyn has experience in office, industrial, retail, and large-scale residential projects throughout the West Coast. Adept at transforming a client’s vision into reality without sacrificing quality. Manages multiple large projects simultaneously, while partnering with internal and external teams including vendors, contractors, architects and consultants. Persuasive communication abilities to negotiate contracts and form profitable alliances. Respected for maintaining high-level quality, honesty and commitment to excellent service.