Dr. Darrell R. Word is an Electrical Engineer registered in the State of Texas. He is proficient in math, physics and the underlying principles of science and engineering, which includes a strong background in Electromagnetics. His principal focus is on Professional Engineering and Consulting. Dr. Word works as an Expert Witness where his knowledge and expertise can be of assistance. He has also been an Adjunct Professor at the University of Texas, Electrical and Computer Engineering Department.

Areas of Expertise:

Electromagnetic (EM) Fields

Computer Driven Systems and A-D Interfacing

Sensors and Instrumentation

Micro-Processor and Micro-Controller Applications

Analog and Digital Signal Processing

Control Systems / Electromechanical Systems

Analog and Digital Circuits

Communications, Telemetry and Navigation Systems

Low-Noise Amplifiers

Imaging and Image Processing

Systems Design and Analysis

RF systems, Spread-Spectrum Systems, and Antennas

Power Systems Engineering and Analysis

EM Geophysical Systems and Applications

Software Environment UNIX, MS-Windows, MS-DOS, Fortran, LISP, C, and Various Assemblers

Dr. Duncan G. Cumming, Ph.D. (Cambridge University, England, 1979) is an Electrical Engineer. He's the president of Emmanuel Avionics, Inc. in San Pedro, California, and has been in the business of electronic design since 1979. Dr. Cummings’ principal focus is on Professional Engineering and Consulting. He also works as an Expert Witness in Intellectual Property and other cases. He has ITC Experience. His specialty is power supplies, which are used in almost all consumer electronics, particularly imported devices. Patent disputes are often involved.

Areas of Expertise:

Power Supplies

Micro-Processor and Micro-Controller Applications

Electronic Hardware

Sensors and Instrumentation

Expert Witness Reports

Depositions

Testimony

Patent Infringement Analysis

Patent Validity Analysis

Patent Litigation Support

---

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

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

Security Expertise:

Access Control

CCTV Surveillance

Emergency Communications

Operations

Risk Assessments

Building Automation Expertise:

Energy Management

HVAC Controls

Operations

MEP Commissioning

Other Systems Expertise:

Fire Alarm

Telecommunication

Intelligent Buildings

John C. Pfeiffer, P.E. has a long history in accident investigation and forensic engineering service going back to before the company was founded. John C. Pfeiffer, P.E., principal engineer, has practiced in the field of forensic engineering since the early 70’s with over 175 investigations completed or still in process.

Investigations cover a wide variety of causes from product failure, material properties, and software inadequacies to human errors. Experience includes electrical engineering, instrumentation, industrial process control and industrial automation engineering with in-depth experience in additional areas such as grounding, lightning protection, surge protection and power systems design. Also software based industrial systems such as programmable logic controllers and high level control systems. Performed many arc flash hazards analysis and other analysis. Primary experience is in industrial design. Besides assisting in investigations we can help in determining corrective action to prevent the reoccurrence of similar accidents.

Published in professional journals.

Works equally for the plaintiff and defense.

Primary business - design of electrical systems for industry.

Field of Expertise: Arc Flash Hazards Electrical Power Electrocutions/shock Industrial Control Systems Control Software Process Instrumentation and Control Static Electricity/Lightning Explosions

Arun Kumar, Ph.D. has 34 years of experience in Metallurgy, Materials Science and Failure Analysis of Metallic and Non-Metallic Materials at Rockwell International, Hughes Aircraft Company and SEAL Laboratories. He manages and supervises approximately 17 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 and household appliances.

Established in 1971, SEAL Laboratories offers metallurgical consulting, materials failure analysis, electronics/chemistry based consultation and laboratory testing. The laboratory has state-of-the-art analytical instrumentation for materials/failure analysis. Ph.D. metallurgists and chemist are available for consultation and expert witness testimony in product liablity and product failure cases. Our instrumentation include 4 Scanning Electron Microscopes (SEM) with EDX analyzers, Auger Electron Spectroscopy (AES), X-ray Photoelectron Spectroscopy (XPS or ESCA), FTIR spectroscopy, DSC, TGA, GC/MS, metallography, optical microscopy, hardness testing, electrical testing, Destructive Physical Analysis and Residual Gas Analysis (RGA).

MEP Engineer of Record for the design and construction of more that 1300 MEP projects located in the USA, Europe, Canada, Asia, South America, and Carribbean since 1965.



REGISTERED PROFESSIONAL MECHANICAL ENGINEER and Engineer of Record for the design and the construction of HVAC, & Plumbing Systems



REGISTERED PROFESSIONAL ELECTRICAL ENGINEER and Engineer of Record for the design and the construction of Interior and Exterior Lighting Design, Interior Electrical Power Distribution Systems, Exterior Power Distribution to Class 35kV, Large Un-interruptible Power Systems, Large Emergency Power Generation Systems to 750kVA, Electrical Power Quality Analysis Documentation & Harmonic Current Attenuation Design



EXPERT WITNESS SERVICES for Facility HVAC, Electrical Power. Lighting and Plumbing Systems; Construction Contract Administration Services; Project Construction Cost Estimating Services; Life Cycle Cost Analysis Report Services; Energy Consumption Analysis Report Services; Diesel power engine-generators and fuel systems; UPS systems; Data Processing power and Grounding systems;