Lighting Expert Witnesses: 3

Matthew J. Hartley is a noted expert in Lighting, Lighting Design, Product Development, AGI32, and Photometry He has been in the Lighting Industry since 1995. In that time, he has held positions in design, product management, customer service, and design engineering. Mr. Hartley has been employed by manufacturers, lighting software companies, and lighting agencies. He has immersed himself in different facets of the industry including indoor and outdoor lighting, safety and security, lighting and human health, and lighting standards. 

Mr. Hartley has been involved with several standard writing committees within the Illuminating Engineering Society of North America, producing over six standard documents. Since 1999, he has taught Lighting and Lighting Design to diverse groups, from students to seasoned lighting professionals. 

Litigation Support - With such diverse experience, Matthew Hartley brings a unique perspective to the legal industry. His has field experience with commissioning, field survey and verification, and troubleshooting of field designs and equipment issues. Mr. Hartley's services are available nationwide to attorneys representing plaintiff and defendant and include site reviews, written reports, depositions, and trial testimony as needed. 

Areas of Expertise:

Lighting Designs Compliance Photometric and Equipment Verification Illumination Interior Lighting Street and Area Lighting Lighting Control Systems

Light Fixture Construction Lighting Survey Lighting Installations Premises Liability Lighting Security Lighting Insufficient Lighting Lighting Accident Investigation

View Matthew Hartley's Consulting Profile.

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. 

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.