As a structural and civil engineer, expert forensic consultant and arbitrator with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants and plaintiff attorneys on numerous construction litigation matters throughout the United States and Canada.
He has been retained as an expert engineer in over one hundred litigation matters on single and class-action legal cases by the U.S. government, law firms, and insurance carriers at the State and Federal levels, working with both plaintiff and defendant sides. A partial list of litigation cases is available upon request.
His understanding of core engineering and legal concepts has enabled him to assist a wide range of clientele effectively. He brings diversified experience in structural and civil engineering design and in forensic engineering, investigation, and evaluation.
He also conducts research, has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for numerous litigation and insurance-related matters.
He actively presents continuing education lectures to audiences of licensed engineers, architects, and general contractors on topics of structural and forensic engineering throughout North America. Mr. Hemmatyar has been the principal structural engineer on projects for clients such as NASA and several other high-profile agencies. Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013.
His work encompasses a diverse range of structures, including hospitals, educational institutions (including schools and universities), telecommunication centers, aviation facilities, government buildings, laboratories, as well as commercial, industrial, and residential structures.
He is versed in the structural design of concrete, steel, timber/wood, masonry, aluminum, glass, light-gage steel, and other construction materials. His work experience covers performance-based design, seismic hazard evaluation, and mitigation methods, as well as the preparation of reports evaluating essential structures such as hospitals and emergency facilities.
He has been interviewed by public media, including the History Channel (documentary episode: “Collapse of Ancient Structures”) and Reuters (Mexico City school collapse).
Mr. Hemmatyar’s experience also covers:
■ Investigation and evaluation of structural integrity of existing structures,
■ Expert consulting, court appearance, and trial testimony.

Partial List of Registrations:
■ SE, PE, California – S5108, C66393
■ SE, PE, Washington – 37443
■ SE, Hawaii – S14571
■ SE, New York – S091118
■ SE, Nevada – 022937
■ SE, Arizona – S49653
■ PE, Colorado – 52814
■ PE, Alabama – 35359
■ PE, Michigan – 6201063078
■ PE, Ohio – 80490
■ PE, Texas – 133339
■ P. ENG, British Columbia, Canada – 19757
■ General Building Contractor, California – 1044945
■ SE, Hawaii – S14571
■ SE, New York – S091118
■ SE, Nevada – 022937
■ SE, Arizona – S49653
■ PE, Colorado – 52814
■ PE, Alabama – 35359
■ PE, Michigan – 6201063078
■ PE, Ohio – 80490
■ PE, Texas – 133339
■ P. ENG, British Columbia, Canada – 19757
■ General Building Contractor, California – 1044945

Partial List of Education:
■ BS Structural Engineering, University of Science & Technology (ABET-accredited), 1985
■ MS Structural Engineering Studies, University of British Columbia, Vancouver, Canada, 1990
■ Structural Engineering Studies, University of Washington, Seattle, WA, 2000
■ Structural Engineering Studies, Irvine Institute of Technology, Irvine, CA, 2002
■ Juris Doctor Studies, SBV Colleges of Law, CA, 2014

Partial List of Affiliations:
■ SEAOSC (Structural Engineers Association of Southern California); Director, 2011 – 2013
■ SEAOSC; Chair – Technology Committee, 2012 – 2017
■ SEAOSC; Chair – Convention Technical Committee, 2013 – 2014
■ SEAOSC; Committee Member – Seismology, 2007 – 2018
■ SEAOSC; Committee Member – Wind Ad-Hoc, 2010
■ BPELSG; California Board for Professional Engineers, Land Surveyors, and Geologists – Professional Licensing – Subject Matter Expert, 2009
■ NCEES; National Council of Examiners for Engineering and Surveying – Subject Matter Expert, 2010
■ City of Los Angeles Existing Building Code Ad-Hoc Committee, 2012 – 2017
■ FEWA Forensic Expert Witness Association; Member, 2010 – 2018
■ CAL E•M•A Registered Post–Earthquake and Disaster Safety Assessment Evaluator – 74169, 2010 – Present
■ SEAOC; SE Member 2003 – Present
■ NZSEE; New Zealand Society for Earthquake Engineering – Member, 1997 and 2012,
■ AWC; American Wood Council – Member, 2012 – 2018
■ CFSEI; Cold-Formed Steel Engineering Institute – Member, 2012 – 2018
■ GEER; Geotechnical Extreme Events Reconnaissance – Member, 2011 – Present
■ ASCE; SE Member, 2021 – Present
■ ASCE Forensic Engineering Division; SE Member, 2007 – Present
■ IALCCE; International Association for Life-Cycle Civil Engineering 2015 – Present
■ EGBC; Engineers and Geoscientists of British Columbia, Canada, Advocate Committee, Co-Chair, 1996 – 1998

Partial List of Awards and Recognition:
■ OCEC; Orange County Engineering Council – Outstanding Engineering Merit Award, 2012
■ SEAOSC; Structural Engineers Association of Southern California – Structural Engineering Presentations Award, 2011
■ SEAOSC; Structural Engineers Association of Southern California – Presidential Certificate of Appreciation, 2016
■ CWC; Canadian Wood Council – Structural Eng. Software Development Contribution Award, 1995
■ Ranked 552nd out of approximately one million entry applicants, was admitted to the University of Science & Technology at the precocious age of 16. This university is renowned as one of Iran's top three engineering universities and boasts accreditation from the ABET (Accreditation Board for Engineering and Technology)

Supplementary Activities and Achievements:
■ FAA Registered Aerial System Pilot – 4370646
■ USA Masters Swimming Member – 3314-06XB7
■ Former Iranian National Swimming Champion
■ United States Patent & Trademark (USPTO): Registered Owner – 85250519
■ Founder of Structural Engineer USA, the world’s largest membership organization and an internationally renowned online network association of expert structural engineers encompassing a dynamic membership of over 20,000 professionals from worldwide.