Acoustics and Vibrations Engineering Expert Witnesses: 2

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants’ and plaintiffs’ 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 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 high-profile projects for prestigious clients, including NASA and other notable organizations.  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.

SERVICES: Audio and video recording authentication, enhancement, transcription, and analysis, including body worn camera and security video recordings. Acoustic forensic analysis, including audibility of warning signals, speech - voice comparison, and gunshot - weapon recording analysis (e.g., Taser, ShotSpotter).  Audio technology and patent expert witness/consultant. Forensic musicology analysis. Forensic field recording and analysis per ANSI and recognized standards.

EXPERTISE: Consultation in over 800 audio-video and acoustic forensic cases since 1987. Expert testimony over eighty times, in U.S. Federal and State courts including the United States International Trade Commission (USITC), and courts in Canada and International arbitration panels (World Bank-ICSID).

DEGREES/MEMBERSHIPS: Ph.D. UC San Diego (Computer Audio) 1987; Fellow, Audio Engineering Society (AES); Member, Society of Forensic Engineers and Scientists (SFES), Acoustical Society of America (ASA).