Objective Scientific
Insight

Mr. Hergenrether holds both a Bachelor of Science and a Master of Science in Mechanical Engineering from Oklahoma State University. He is a licensed professional engineer in multiple states and holds a NAFI certification as a Certified Fire and Explosion Investigator (CFEI).

Mr. Hergenrether has been active in forensic engineering and failure analysis since 2004. He specializes in investigating fires and explosions, industrial machinery and equipment accidents, analysis and testing of failures in mechanical and electrical systems, and investigating carbon monoxide incidents.

Mr. Hergenrether has provided expert testimony in multiple states and is a founder of Integrity Forensics & Engineering. LLC.

Mr. Perryman is a licensed professional engineer in multiple states with an extensive and diverse background in multiple areas of electrical construction, automotive, and heavy equipment. Mr. Perryman is also licensed as a NAFI Certified Fire and Explosion Investigator (CFEI), Certified Vehicle Fire Investigator (CVFI), and an electrician.

Mr. Perryman has been consulting throughout the United States and internationally in electrical engineering since 1999. Mr. Perryman’s expertise in electrical distribution systems and code compliance of these systems includes electrical service infrastructure, normal and emergency power systems, low voltage systems, fire alarm systems, vehicles, heavy machinery, and recreational vehicles.

Mr. Perryman has provided expert testimony in multiple states and is a founder of Integrity Forensics & Engineering, LLC.

Mr. Colwell is a certified Master Electrician and brings over 20 years of experience in both residential and commercial construction. Since 2001, Mr. Colwell has investigated matters involving fires, electrocution or shock, failures of electrical systems and components, lightning related incidents, and analysis of electrical installations.

Mr. Colwell has provided presentations on fires and electrical accidents and has provided expert testimony in multiple states. In addition to his work in failure analysis, Mr. Colwell currently owns and manages an electrical contracting business operating in the North Texas area.

Mr. Colwell is one of the founders of Integrity Forensics & Engineering, LLC.

Mr. Spruiell holds a Bachelor of Science degree in Mechanical Engineering from the University of Texas at Arlington and is a licensed professional engineer in multiple states.

Mr. Spruiell’s practice in the field of forensic engineering began in 1981. His specialties include the investigation of fires and fuel gas explosions, determination of the causes of accidents and general product failures, evaluation of warning and guarding, evaluation of machine and system design, laboratory testing of products, high voltage testing, determination of the cause of carbon monoxide poisoning incidents, and evaluation of the cause of plumbing and plumbing component leakage incidents.

Mr. Spruiell has testified as an expert numerous times, both in depositions and at trial, in multiple states.

Mr. Thompson is a licensed Professional Engineer in multiple states. He earned a Bachelor of Science in Mechanical Engineering from Oklahoma Christian University and spent a number of years in the commercial vehicle industry before entering the forensic engineering field in 2009. In addition to holding NAFI certifications as a Certified Fire and Explosion Investigator (CFEI) and as a Certified Vehicle Fire Investigator (CVFI), Mr. Thompson is also a F.I.R.E. Certified Fireplace And Chimney Investigator.

Mr. Thompson consults on investigations involving fires in vehicles, equipment, machinery, structures, explosions, accidents, product failures, and testing of mechanical and electrical components and systems.

Mr. Geer graduated with honors in Electrical Engineering from the University of New Mexico and is a Senior Member of the Institute of Electrical and Electronics Engineering. He holds two patents in diverse fields and has been cited in Who’s Who in Science and Engineering. He has been certified as a Professional Engineer in both electrical and mechanical engineering in multiple states. He is certified by NAFI as both a Fire and Explosions Investigator (CFEI), as well as a Vehicle Fire Investigator (CVFI).

Mr. Geer has an extensive background in avionic, automotive and consumer electronics design. Failure analysis, quality control and design worst-casing are also specialties. He has been involved in extensive investigations into lightning related structural fires and lightning testing. He has valuable experience in the investigation and analysis of electromechanical and HVAC system failures.

Mr. Shuttlesworth graduated from Oklahoma Christian University with a Bachelor of Science in Mechanical Engineering. He is a licensed professional engineer with experience in failure analysis, destructive and non-destructive testing methods, and forensic lab management and operation.

Mr. Shuttlesworth has been consulting as a forensic engineer since 2011 and has experience in plumbing systems, piping, and appliance component failures. He has designed, constructed, and directly tested a variety of products or components to access failure modes. Mr. Shuttlesworth also has experience in evidence collection, documentation, and preservation.