Design (General) Expert Witnesses

Jamie Chapman, PhD, provides more than 35 years of broad technical, engineering, operational and economic expertise in the areas of Renewable Energy and Power Conversion Systems. Service as Expert Witness and Expert Consultant to law firms and agencies.

Dr. Chapman's experience includes research and development focused on the technologies needed to maintain leadership for the next, next generation of multi-megawatt wind turbine power plants, including turbulence detection by lidar and radar. His work in this area generated four patent disclosures.

From 2004-2010, Dr. Chapman served as Associate Director of the Wind Science and Engineering Research Center at Texas Tech University. As part of the Senior Research Faculty, he was a principal in achieving $10 million in external funding to implement a wind energy research and education program. Dr. Chapman delivered a graduate-level course on wind turbine design, control, grid interface and economics and initiated Texas Tech's program on the integration of wind turbines with desalination systems.

Dr. Chapman has provided national and international Expert Witness services in Patent, System Performance, Manufacturing Defects, and other litigation areas. In addition to his very broad technical background, Dr. Chapman is an excellent communicator, orally and in writing, of sophisticated and complex technological concepts.

Currently the principal at Time-Variable Systems LLC, Texas and New York, Dr. Chapman's focus and areas of expertise include:

• Innovative Electric Machines
• Variable Speed Electric Generators
• Marine Hydrokinetic Power Conversion Systems
• Radar Sensing
• Megawatt-scale Power Processing and Control via Power Electronics
• Wind Turbines
• Energy Storage
• Rotary and Linear Electric Machines
• Electronic Power Conversion
• Control and Grid Interface

View Dr. Chapman's Consulting Profile.

Bransford Pickett, PE, DFE, BSc, MScBA, has over 25 years of experience as a Mechanical Engineer. SEFS expertise includes design and review of material handling equipment, material handling management, and ship board systems. SEFS offers litigation support services for Accident Investigation and Reconstruction covering failure analysis, process simulation, regulatory compliance, equipment reliability, and personal injury / safety. His materials handling and engineering services are offered to attorneys, insurance and end user companies nationally and internationally.

Mr. Pickett is a member on the American Society of Mechanical Engineers B30 committee on Safety Codes and Standards for cranes and rigging as well as a member of several subcommittees. He is also a member of American Society of Mechanical Engineers P30 Committee- Planning for the Use of Cranes, Derricks, Hoists, Cableways and Lifting Accessories. ASME BTH Standards Committee.

Mr. Pickett is a Professional Engineer, and holds a BSE from the University of Michigan, Ann Arbor, and a MScBA in Finance from San Diego State University, as well as a board certified Diplomate Forensic Engineer. He has qualified as an expert witness in the State of New York Supreme Court and the State of California Supreme Court.

Accident Investigation:

• Man baskets, Forklifts, Scissors Lifts, Aerial Lifts, Rigging Gear, Hydraulic Jacks, and Hydraulic / pneumatic Lift Systems, Automotive Lift Systems, Conveyors, Pallet and Packages Conveyors, Pneumatic Systems, Machine tools, Boats, Barges, and Elevators
• Tower, Mobile, Bridge, Truck, Portal, Container, Jib and Floating Barge Cranes, and Derricks
• Operator training compliance to National Commission for the Certification of Crane Operators, NCCCO, requirements for tower crane, mobile crane, overhead crane, articulating crane operator training and certification, signal person, and rigger certification
• Compliance covers applicable national and international standards that include the ABS, ASTM, ASM, ASME, ANSI, WSTDA, ALI, etc. and DIN, EN, FEM to list a few. National regulations include state and federal OSHA requirements as well as DOE, military specifications and standards

View Bransford Pickett's Consulting Profile.

Thomas W. Caldwell, PE, has over 40 years of experience in Materials Research and Development, Process and Product Development, and Manufacturing Operations in the Precision Cast and Machined Products industry.

Mr. Caldwell has designed and manufactured components for consumer and industrial products, including safety-critical applications such as aircraft landing gear brakes, seat belt lockup devices, windshield wiper, and window lift motor systems. He has experience creating and guiding technology development and manufacturing partnerships in Europe and Asia, licensing and selling intellectual property and creating supply chains in China.

Mr. Caldwell has lectured in the USA, Germany, Switzerland, and India on manufacturing premium quality metal products and manufacturing processes, and was a technical paper peer reviewer for 20 years for the Society of Automotive Engineers. A United States patent holder, he has published peer reviewed research in electrochemistry and materials processing, and has written and spoken numerous times on the subject of Materials Selection.

Litigation Support - Thomas W. Caldwell, PE, is a testifying and consulting expert for both plaintiff and defense counsel. His cases involve product failure for ferrous and non-ferrous alloy products such as hand tools, recreational and exercise equipment, fire fighting apparatus, rotating industrial machinery, construction hardware, piping, and lighting fixtures. Mr. Caldwell utilizes destructive and non-destructive methods for insuring product integrity.

Areas of Expertise:

Design Engineering Materials Failure Analysis Materials Engineering Mechanical Engineering Metallurgy Power Tools Products Liability Design Defects

Manufacturing Defects Fitness for Use Equipment Operation and Maintenance Accident Reconstruction Material Selection Manufacturing Process Design and Scale Up Safety Component Product Quality Control Safety Component Quality Systems Management

View Thomas A. Caldwell's Consulting Profile.

R. Kevin Smith PE, BSME, MMAE, has been a specialist in Engineering Forensic Safety and Design for 35 years. He has consulted on over a 1,000 matters nationwide.

Mr. Smith is a registered professional engineer and holds a BSME and MMAE from the Illinois Institute of Technology in Chicago. He specializes in Material Handling Equipment Safety, including lift trucks, dock safety, truck loading, conveyors, and aerial work platform safety.

Mr. has been actively involved as a member of the committee that writes the Safety Standard for Low Lift and High Lift Trucks (ASME/ANSI B56.1) for over 30 years. He also serves on the B56.6 committee (rough terrain lift trucks) and the ANSI A92.5 and A92.6 subcommittees (self-propelled elevating work platforms).

Litigation Support - Mr. Smith formerly worked for Triodyne, Inc. for over 15 years as a forensic engineer/principal engineer. As President of R. K. Smith Engineering Inc., he currently has a laboratory for examination and testing, and owns or has access to varied testing equipment and tools.

Kevin Smith has testified at depositions and trials on several hundred matters. He has performed hundreds of investigations into product failures involving injury and property damage, and has reconstructed numerous accidents. His expertise is available to counsel representing both Plaintiff and Defendant. Mr. Smith also is on the Adjunct Math faculty at Prairie State College.

Areas of Expertise:

Forklift Trucks Aerial Work Platform Lifts Product Testing Material Handling / Lifting / Rigging Equipment Accident Reconstruction Machine Guarding Safeguarding Warnings

Agricultural and Construction Equipment Skid Steer Loaders Stability Testing Loading Dock Safety Consumer Products / Testing OSHA Citations Codes & Standards Standard of Care in Design

View R. Kevin Smith's Consulting Profile.

Mari S. Truman, PE, has more than 37 years of experience in Orthopedic Product Design and Development. As Principal Engineer with her company, Orthobiomech, LLC, she acts as an R&D design and development consultant to the orthopaedic industry and an injury biomechanics and medical device forensic expert.

Ms. Truman's design experience includes implants and instrumentation systems used to repair fractured bones, torn ligaments and/or to reconstruct spine, knee, wrist, hip, ankle, elbow, thumb based cmc, and other finger and toe joints for many of the USA based orthopaedic conglomerates and a few Asian, Australian and European firms.

Having designed and developed implants and instruments used for both human joint reconstruction and skeletal trauma repair, Ms. Truman is named on 12 Orthopaedic Patents and frequently gives talks on implant design and injury biomechanics on topics such as: knee and thumb-based joint surfaces and kinematics, joint design, rapid prototyping, medical device design control, and injury biomechanics.

Litigation Support - Ms. Truman has been providing Forensic Impact and Injury Biomechanics and Orthopedic Biomechanics to the legal industry for over 15 years. She draws on her strong knowledge of FDA and ISO EN13485 compliant design control processes, failure modes and effects analysis, clinically relevant tissue loading, and design safety assurance, including device performance requirements and warnings, during her medical device litigation reviews. Ms. Truman has a strong knowledge of the production and quality assurance processes used in the manufacture, cleaning, and sterilization of medical devices and the effects of such processes on product performance.

Analysis of Traumatic Injuries Related To:

Falls and Fall Recovery Vehicular Collisions Assaults and Fights Projectile Impacts Occupation or Workplace

Failed Medical Implants Assistive Devices Orthotics Consumer Products Sports and Recreation, Occupational Overuse / Injury

View OrthoBioMech LLC's Consulting Profile.

Leonard J. Backer has over 28 years of extensive and successful Seating, Tables and Furniture Industry experience in all key areas. Mr. Backer has been directly involved in the design and development of 250+ seating and table collections. He specializes in Private Label Manufacturing, Sourcing, and Product Development expertise.

Mr. Backer provides aggressive Expert Witness and Litigation Support services to attorneys, insurers and businesses for Plaintiff or Defense. He performs site inspections, detailed product reviews and incident analyses. He has worked with law firms and insurance companies to develop and coordinate strategies for various types of legal actions and lawsuits. Very strong hospitality background.

Mr. Backer has extensive experience with hotel, restaurant, cruise ship, retail store and senior living incidents. Personal Injury and Product Liability Cases. He provides detailed analyses, written opinions, and expert witness reports for clients throughout the U.S. Strong proven deposition and court testimony.

Areas of Expertise:

Furniture Based Disputes, Claims, or Legal Actions Chair Failures Seating Product Liability Personal Injury Purchasing Disputes Seating Product Design / Performance Issues Design Knockoffs

Sales Rep. Commission Disputes Designer Royalties Exclusive Distribution Agreements Product Evaluation Warranty Issues Product Launch Failures Private Label Development Agreements Evaluation of Management Performance

View Leonard Backer's Consulting Profile.

David R. Lenorovitz, PhD, CPE, Lenorovitz is a Board Certified Ergonomist / Human Factors Professional with over 50 years of experience in developing and applying knowledge regarding the ways in which human capabilities and limitations can materially effect a user's performance (i.e., success or failure) when interacting with a variety of products or equipment.

Dr. Lenorovitz has performed HF-related work evaluating, designing, developing, and testing user-interactive-systems for a wide range of industrial, governmental, and individual clients.

Litigation Support - Dr. Lenorovitz's forensic experience has included applying Human Factors scientific principles, preparing analysis reports, providing expert opinions, and testifying in cases involving:

Safety and Hazard Analysis Warnings Systems and Labels User System Interaction (USI) Analysis Computer-Human Interface Design Adequacy of Warnings Instructions Operator Manuals

Work Practices Organizational Procedures Product Design Product Liability Distractions / Diverted Attention Task Analysis Industrial Accidents

Rudolph P. Frizzi, PE, GE, D.GE is a Civil Engineer with over 25 years of extensive practical Foundation and Geotechnical Engineering experience. Mr. Frizzi has extensive project management experience throughout the United States and internationally, with particular emphasis on:

• Foundation Design and Construction in Urban Areas
• Large Scale Land and Waterfront Public and Private Development Projects

Mr. Frizzi has obtained extensive field, office supervision, and project management experience including soil and rock sampling and in-situ testing; monitoring pre , during, and post-construction with state-of-the-art geotechnical instrumentation; nondestructive testing; aqueous and sub-aqueous inspections and investigations; and heavy construction which has contributed to his practical approach to geotechnical problem solving. In addition to his "engineer of record" experience, Mr. Frizzi has provided expert geotechnical consultation and trial testimony on over 50 excavation and foundation litigation cases throughout the United States and internationally. His services are available to attorneys for Plaintiff and Defense.

Areas of Forensic Expertise:

• Foundations for Stadiums, Arenas, High-Rise Structures in Urban Areas
• Embankment and Dam Stability
• Large-scale Land and Waterfront / Marine Structures and Development
• Shallow and Deep Foundation Systems
• Soft and Hard Rock Treatment
• Earthwork
• Ground Improvement of Waste Fills
• Temporary and Permanent Lateral Support Systems for Deep Excavations
• Geotechnical Instrumentation and Vibration Monitoring
• Construction Dewatering

View Rudolph Frizzi's Consulting Profile.

Food Service & Restaurant Design Consultant. I have been involved in the design of restaurants and commercial kitchens for over 10 years. I have personally designed over 125 restaurants including front of house and back kitchen design, including project management. I have a B.A. in interior design. I have worked on projects throughout the United States and Phillipines, and Honduras.

Over the last 2 years I have owned my own company which has provided complete construction drawings for over 30 restaurants ranging from 1,500 sq. ft. to over 3,000 sq. ft. I have also been retained by architects and business owners to provide coordination drawings for commercial kitchen design for over 35 projects ranging in size from 1,000 sq. ft to 5,000 sq. ft. I have also worked on franchise restaurant projects for McDonalds, Chevy's Mexican Restaurant, Jamba Juice, Tahoe Joe's, Taxi's Hamburgers.

Harvey C. Voris’ entire engineering career has been devoted to the Fitness Industry. He has over 35 years of Fitness Equipment Design experience and has been issued 7 U.S. utility patents.

Mr. Voris has a Bachelors of Science in Engineering from UCLA with a specialization in Bio Structural Mechanics. His Masters in Engineering is from Cal State Long Beach where he specialized in Fatigue and Failure Analysis. Mr. Voris has spent 21 years devoted to the development and promotion of safety standards for the fitness industry. He has authored numerous standards and has chaired the ASTM committee devoted to fitness standards development since 1995.

Litigation Support - Mr. Voris provides engineering analysis and accident reconstruction related to consumer and fitness products and facilities. His services are available to attorneys representing both plaintiff and defense. With 35 years of experience, a biomechanics background, and extensive experience in design and product testing, Mr. Voris speaks with authority on the following critical issues:

Product Liability - Patent Development - Patent Infringement - Facility Risk Management - Standards Compliance

View Harvey Voris' Consulting Profile.

Radhakrishnaiah Parachuru, PhD, is a Textile Engineer with an MS degree in Decision Sciences / Applied Statistics. A multidisciplinary scientist, Dr. Parachuru possesses more than 35 years of teaching, research, and industrial experience in Polymer, Fiber, Textile, Apparel, Carpet, and other related disciplines. 

Serving as the coordinator of industry and public support activities at Georgia Tech, Dr. Parachuru has completed more than 180 applied research projects for the benefit of all segments of the Textile and Allied industries. Projects completed fall in the following categories:

• Product / Process Optimization
• Technical Trouble Shooting
• Design and Evaluation of New Products
• Assistance for Product Diversification
• Training of Technical Staff
• Establishment of Quality Control Facilities and Routines
• Business Data Modeling and Analysis
• Miscellaneous Cost Saving Projects

Dr. Parachuru has also conducted basic research in the area of Textile Manufacturing and served as the main adviser of several graduate students who completed MS and PhD degrees in textile engineering. He has been an active member of Fiber Society, AATCC, ASTM and TQCA. Dr. Parachuru currently serves as an active member of several AATCC technical committees and also as chairman of the AATCC committee on statistics. His current research interests are in the area of medical and industrial textiles. 

Consultation Services - Dr. Parachuru offers technical consultation to manufacturers, distributors, wholesalers, and retailers. His services include broad-based industrial consultation related to business data analysis and business intelligence. 

Litigation Support - Dr. Parachuru has been qualified as a Fiber / Textile Expert in dozens of civil and criminal court cases. His experience covers federal, state, and county courts in multiple states within the United States.

Areas of Expertise:

Polymers Fibers Yarns Fabrics

Garments Carpets Nonwovens Textiles Technical Textiles

Highly Qualified Retail Accident Expert. Involved with many High Profile Retail Injury Cases Top 40 Retail Industry Leader ( DDI Magazine ) and Top 50 Retail Design Firm ( VMSD Magazine ) 2016 Slip, Trip, Fall & Safety Expert Witness of the Year - Corporate America Journal Expert for Retail accidents, slip and fall, display defects, construction issues, ADA and local codes. A 35 year veteran in the Retail Industry for all venues of Retail and Product Vendors, Product Showrooms, Display Design and manufacturing able to determine the cause and effect leading to accidents occurring inside and outside of stores. Other areas of expertise include Arena design, Furniture design, Office design, Product showroom design, licensing and branding agreements and product, display design, merchandising and product presentation. Review CV on website including two degrees in Architecture, Industry awards in Store and Display design, contributing editor of trade magazines, featured company at industry trade show "Store of the Future" area, high profile projects and clients. Extremely capable to cut to the chase, find relevant facts about the accident often not thought of by the attorney representing the Plaintiff or the Defendant. Over 30 cases handled in the last three years while maintaining the highly successful Retail Design Business.

Daniel Mahr, PE, is a specialist in the Engineering and Design of Dry Bulk Material Handling Systems. He is an expert in the supply, handling, blending, and processing of a wide range of bulk materials ranging from alumina to wood chips.

Mr. Mahr is experienced in ports and terminals, the power, transportation, mining, steel, and process industries. He has managed large or technically demanding projects handling bauxite, coal, biomass, minerals, and other bulk commodities. As president, Mr. Mahr is responsible for all corporate activities of Energy Associates. On construction assignments, he has served as a technical representative and monitored technical/contract compliance.

Mr. Mahr’s project assignments are located throughout the United States and have taken him to Argentina, Bahamas, Canada, Colombia, Germany, Ghana, Guatemala, Hong Kong, Japan, Korea, India, Indonesia, Italy, Malaysia, Philippines, Spain, Taiwan, Thailand, United Kingdom, and Venezuela. He is a member of ASME, NSPE, and SME. He is the past chair of ASME's Fuels and Combustion Technology Division and was the chair of the Fuel Storage, Handling, and Transportation Technical Committee for several years.

Litigation Support - Daniel Mahr provides technical services in instances for breach of contract, dispute resolution, equipment failure, and litigation investigation. His expertise is available to counsel representing both Plaintiff and Defendant.

Areas of Expertise:

Bulk Material Handling Unloading / Loading Stacking Reclaiming Crusher Weighing Belts / Conveyors Ports / Terminals

Frac Sand Fires / Explosions OSHA Codes and Standards Fluidized Bed Combustion Blending Bulk Solids Handling Transportation Biomass Products & Technology Power Engineering

View Daniel Mahr's Consulting Profile.

James Parker has over 35 years of relevant industry experience specializing in Electronic Security Systems & Sensors, Electronics R&D, and New Product Development. He has in-depth knowledge of electronic product design in both Wired and Wireless Technologies and outstanding knowledge of Environmental and False Alarm Immunity. Products, such as alarm systems, that Mr. Parker led the design of, have an installed base in the millions. 

Litigation Support - Mr. Parker provides Patent Litigation support to counsel representing both Plaintiff and Defense and is experienced with civil liability, criminal and patent litigation, including Inter Partes Reviews (IPRs). He has the ability to explain complex technical material in a straight forward manner. Mr. Parker's past clients include Cravath, Swaine & Moore LLP, Weil, Gotshal & Manges LLP, Fish & Richardson PC, Alarm.com, 2GIG Technologies, and Nest Labs. His services are available nationally and internationally. 

Areas of Expertise:

Electronic Security Security Systems Burglar Alarm Systems Intrusion Detection Motion Detection Wireless Alarm Systems Wired Alarm Systems Occupancy Detection Systems Premises Security Residential and Commercial Security Inter Partes Reviews (IPRs)

Research and Development Engineering Management New Product Development Electronic Engineering Embedded Systems Alarm Control Panels PIR (Passive Infra-Red) Motion Detection uW (Microwave) Doppler Motion Detection Solar LED Flood Lights (Patio to Street Level) Patent Litigation Intellectual Property

Background - Mr. Parker is the Past Vice President of Engineering for Digital Security Controls Ltd. (DSC), a leading global manufacturer of electronic security systems and components with sales exceeding $400 million annually. He is currently the President at EE-Systems Group Inc. Canada (R&D) where he is responsible for overseeing new product and business development. A prolific inventor, Mr. Parker has been granted over 25 unique patents with approximately 100 patent documents published worldwide. 

View James Parker's Consulting Profile.

James Rappoport, AIA, NCARB is Principal and Architect of Record at Daroff Design Inc. + DDI Architects PC, a full service Planning, Architectural & Interior Design practice founded in 1973 and specializing in ground-up, renovation and historic adaptive reuse projects for office facilities, hotels, resorts, restaurants, meeting, conference and training facilities, aviation terminals and entertainment projects throughout the USA and Internationally.

Mr. Rappoport has successfully provided technical consultation, expert witness opinions, affidavits, certificates of merit, depositions, mediation presentations, testimony and trial support in more than 190 legal cases, engaged by both defendants' and plaintiffs' legal teams.

Areas of Expertise:

Architecture Architectural Codes / Design & Standards Architectural Design Architectural Practice ADA - Accessibility Compliance ADA - Accessibility Design Building Codes & Ordinances Construction & Architecture Construction Claims Construction Disputes Facility Programming Furniture, Fixtures, & Equipment Specifications Furniture, Fixtures, & Equipment Failures

Hotel & Resort Design & Planning Interior Design & Planning Office Building Design & Planning Owner – Architect Agreements Owner – Contractor Agreements Professional Liability (Architecture & Design) Project Planning Slip – Fall Accident (Causes) Site Assessment & Development Site Planning & Design Standard of Care (Architecture & Design) Urban Design Urban Development & Planning

View James Rappoport's Consulting Profile.