Dr. Zia ZafirDr. Zia Zafir, VP and Chief Seismic Engineer at Kleinfelder, Inc. since 2010.

More than 24 years of experience in the field of geotechnical and earthquake engineering and research.

Actively involved on seismic hazard evaluations and seismic retrofit for renowned national and international projects, including:
California, Arizona, Nevada, New Mexico, Oregon, Washington, Utah, Mexico, Bangladesh, and Russia.

Lead seismic engineer to assess the ground motions and seismic response of several urban levees in Sacramento area.

Significant projects include development of:

  • Assessing the seismic response of the proposed Salton Sea Dam
  • Ground motions for seismic retrofit of Golden Gate Bridge in San Francisco
  • Seismic feasibility studies for Tacoma Narrows Bridge in the state of Washington
  • Ground motion studies for Jamuna River Bridge in Bangladesh
  • Ground motion criteria for two fissile material storage facilities in Russia

Published and presented more than 30 technical papers in international journals and conferences.

Currently serving as the chair of the Seismic and Lateral Load committee of the Deep Foundations Institute.


  • Ground motions assessment
  • Site-specific probabilistic and deterministic seismic hazard analyses
  • Seismic hazards such as liquefaction and lateral spreading
  • Site response analysis
  • Time histories

Ph.D., Civil Engineering University of Nevada, Reno