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Founded in 1951, CBF Electric + Data is a full service commercial electrical contractor offering comprehensive Electrical, Data, Security, Design Build/Assist Engineering, 24/7 Service, and Life Safety services.

With offices in San Francisco and Silicon Valley, we specialize in detailed and challenging commercial tenant improvement projects for some of the Bay Area's most notable general contractors, building managers and engineers, commercial real estate professionals, and major corporations. We're committed to building quality relationships while delivering honest, dependable service and communication from pre-project planning through completion. Our team of experienced project managers, estimators and union electricians ensure projects are executed professionally, on-budget and on-time.  

Contact us today to learn how CBF Electric + Data can be the greatest value to you in planning, developing, installing, expediting and servicing your electrical, data and life safety needs.


Executive Team

John Walsh, President

Administrative Team

Leanne Goff, Officer/Project Coord.

Chelsea Webb, Human Resources

PM & Estimating Team

Bradley Onstad, Senior PM & Estimator

Giancarlo Loeffler, PM/Estimator/LEED

Russell Wade, PM & Estimator

Matthew Medeiros, Estimator

Service & Purchasing 

Frank Kennealy, Service Manager


Hope Thompson, Safety Coordinator

South Bay Division

Mike Walsh, S.B. Division Manager

Data Division

Jay Morris, Data Division Manager

JP Sassenberg, Service Manager

Design & Engineering

Jason Zieba, Director of Engineering

Life Safety Division

Dave Miranda, Sr. Project Manager

Kenny Louie, CAD


Dave Sellards, COO


Kristin Sellards, Accounting Assistant

Lindsay Rosecrans, Admin. Assistant


Spencer Reed, Senior PM & Estimator

Travis Johnson, PM & Estimator

Robert Lopez, PM & Estimator

Ben Cournoyer, Estimator


Aaron Hoffman, Asst. Service Manager




Jake Freitas, PM & Estimator


Jeremy Kennedy, Project Manager

David Bloch, Project Engineer


Rizalino DeGuzman, Engineer


Edward Wong, Sr. Project Manager

Judy Situ, Administration


Novelynn Tejada, CFO


Miles Luquingan, CAD/Network Admin.



Tim Smith, Senior PM & Estimator

Tyler Valdivia, PM & Estimator

Gianna Rossi, Asst. Project Manager



Steve Lipman, Purchasing Manager




Matthew Medeiros, Estimator


Dean Novak, Security Division Mgr.

Jacob Peachey, Project Estimator


Stephen Sevilla, Engineer


Sean DeFriese, Project Manager/Sales

Leslie Yip, Administration


  • Association for Facilities Engineering
  • Building Owners and Managers Association
  • International Facility Managers Associations
  • IBEW Locals 6, 302, 332, 595, 617
  • National Electrical Contractors Association
  • San Francisco Electrical Contractors Association
  • Underwriters Laboratories


  • Asbestos Safety
  • Confined Spaces
  • CPR
  • Fall Protection
  • First Aid
  • NFPA 70e
  • Osha 10
  • Osha 30
  • Powder Actuated Tools
  • Scaffold Safety
  • Scissor and Boom Lift