Instrumentation Expert Witnesses: 4

John Hatcher is an industry leader in Building Systems Engineering including, Information Technology, Audio Visual, Security, Building Automation Systems, Fire Alarm Systems, Intelligent Building Concepts and Commissioning. He has worked on some of the most prestigious facilities in the world including the Americas, Europe, Middle East, Russia, India and Southeast Asia. 

Dr. David W. Riley is an Extrusion Analysis & Plastics Rheological Consultant. Dr. Riley has spent over nineteen years as a consultant in the field of Plastic Processing. He has over forty years of experience in developing Polymer Defect Technology and fifteen years in developing the field of Plastic and Polymer coefficient of friction related to the feed section of the extruder.

Areas of Expertise:

• Expert Witness
• Analytical Instrumentation Adaptation to Processing Equipment
• Friction Analysis
• Melt Rheology
• Extrusion Equipment: Design & Analysis of Production
• Telecommunication Cables and Insulation
• Power Cables and Testing XLDPE
• All phases of PVC Compounding & Extrusion
• Thermal Stability of Polymers
• Surface Chemistry, Metals & Polymers

Arun Kumar, Ph.D. has 45 years of experience in Metallurgy, Materials Science and Failure Analysis of Metallic and Non-Metallic Materials at Rockwell International, Hughes Aircraft Company and EAG Laboratories. He manages and supervises approximately 10 engineers and technicians performing a variety of analytical services and failure analysis. Dr. Kumar provides metallurgical consultation, performs failure analysis and serves as an expert witness in product liability trials involving materials failures. He has extensive experience in metallurgical failure analysis of aircraft, helicopter, automobile and motorcycle components, machineries, medical implants, machine tools, household appliances and wildfire investigations involving utilities.

Thomas H. Burtness, PE, is an Electrical Engineer specializing in both Electrical and Building Construction - equipment selection, specification, and installation (actually “working with the tools”), as well as cost control techniques.

Background - Mr. Burtness has 40+ years of experience in the design, specification, construction contract administration, installation, startup, and troubleshooting of electrical power, on-site generation, distribution, control, and instrumentation systems and equipment for residential, commercial, industrial, and municipal occupancies. His experience also includes water, wastewater, and stormwater treatment plants, and military facilities.

Additional expertise includes Illumination Engineering for street, roadway, and area lighting including photometric footcandle requirements, calculations, field verification, equipment specifications, installation, and analysis of failure, glare, overlighting and underlighting.

Litigation Support - Since, 1981, Mr. Burtness has been providing forensic electrical engineering services to insurance companies and attorneys including accident and failure investigations, determination of cause and origin, litigation support, expert opinions, reports, and testimony. His services are available nationwide, with PE registration by comity available in most states.

Cases Involve:

Industrial Accidents Electrocution Personal Injury Fire Equipment and Machinery Failure

Failure of Safety Circuitry Grounding Lightning Damage and Fire Construction Defects / Contract Claims Design and Specification Disputes

View Thomas Burtness' Consulting Profile.