Product Safety Expert Witnesses: 34

Susan Maccoy is an actively practicing Cosmetologist and experienced Expert Witness on Beauty Salon and Spa Products, Processes, Procedures, Policies and Standards. With over 45 years of experience, Ms. Maccoy combines an extensive background and foundation of knowledge in cosmetology and salon business and operations with critical and analytical thinking to provide solid, informed support for litigation. She is a salon owner and has been a manager of independent and franchise chain salons. She holds current cosmetology licenses in Illinois and Florida. Ms. Maccoy has assisted the legal profession on issues related to the cosmetology, beauty salon and spa industries for over 35 years. Her expertise and professional experience encompass the full range of cosmetology products, services, techniques and salon management. Ms. Maccoy also provides valuable insight for cases involving consumer and employee personal injury, product liability, professional liability including salon/spa customer injury and allegations of discrimination in the salon and spa. To date,(2015) Ms. Maccoy has been retained by the defendant in approximately 30% of her engagements and by the plaintiff in 70%. In 2011, her investigative work and expert opinions were instrumental in obtaining dismissals with prejudice in two actions, one in state court and one federal. Zoom Conferencing   Available.Areas of Expertise:

• Salon Policies and Procedures
• Cosmetology Standards of Care, Processes, Procedures, Timelines, Workflow Protocols
• Salon / Spa Incidents and Injuries
• Salon / Spa Incident Investigation and Re-Creation - Chemical Formulations and Usage
• Salon Contractual Agreements - Employment, Rental, Salon Rental / Sale, Independent Contractor / Booth Rental
• Certified in  Milady Salon Infection Protocols 2020
• Certified Covid 19 Protocols for Salons and Spas 2020 (Barbicide)

In her book, Down the Shampoo Bowl - The ABC's of Hair Salon Management, Ms. Maccoy explains the management and financial side of the beauty business and how to motivate employees, handle difficult clients, and promote business and services through traditional channels and social media. View Consulting Profile.

More than 40 years experience: defective packaging; unreasonably dangerous products; failure-to-warn; materials-handling; warehousing; cargo loading and securement; falling cargo; insurance claims for loss or damaged cargo; falling merchandise; patent infringement; trade-dress infringement. Has testified in state and federal courts and knows how to connect with a jury. Has worked for Plaintiffs and Defendants. Services: consulting; analysis; cite inspections; exemplar testing; opining; report writing; testifying. Long list of attorney references. Self-employed consultant. Former employee at Fortune 100 firms. Former university instructor. Many published articles and speaking engagements. Knows how to combine theory and practice.

Christopher M. Daft, PhD, is an award winning, Oxford Educated Materials Scientist whose areas of expertise include medical imaging, electronics, semiconductors, medical devices, sensors, MEMS, signal processing, and image processing. A serial inventor who holds 23 United States Patents with several pending, Dr. Daft has diverse industry experience including multi-nationals such as GE, Medtronic, Fujifilm, Samsung, and Siemens as well as several start-ups. He is a well-published winner of grants from the National Institute of Health. Dr. Daft has been an Institute of Electrical and Electronic Engineers (IEEE ) Senior Member since 2004. He has three years of experience teaching electrical and computer engineering at the University of Illinois. Dr. Daft holds a BA and MA in Physics from Oxford University as well as Doctorate from Oxford in Materials Science.

Litigation Support - Dr. Daft provides litigation support in the areas of Intellectual Property and Medical Devices including Imaging, particularly Medical, Patents, Minimally Invasive Surgical Guidance, and more. His experience includes a variety of cases in the areas of wearable electronics, imaging systems, and surgical technology. Dr. Daft has extensive deposition and trial testimony experience.

Areas of Expertise:

View Dr. Christopher Daft's Consulting Profile.

Rapperport Associates, Inc., provides exceptional capability in Failure Analysis, Fire and Explosion Investigation, Accident Reconstruction, Structural Analysis, Mechanical and Electrical Engineering, Metallurgy and Materials Science. We have provided superior technical support for litigation since 1974, and possess an extraordinarily talented technical team with impeccable academic and industrial credentials and proven analysis capability. Our team of distinguished scientists and engineers is drawn principally from Massachusetts Institute of Technology (M.I.T.) and Stanford University. 

AREAS OF EXPERTISE:

Engineering

• Mechanical
• Structural / Civil
• Metallurgy
• Materials Science
• Aeronautics and Astronautics
• Electrical

Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, premises liability, and product liability.  With over 20 years of experience for each of our senior engineers, we utilize the latest technology for documenting evidence and retrieving data including FARO 3D scanning, aerial drone imaging, and black box downloads.  Our forensic engineers are mobile, supporting clients throughout the U.S. We are headquartered in Tallahassee, Florida with remote locations in Jacksonville, Florida and Tucson, Arizona.

Dr. Brian Pfeifer, P.E. - Dr. Pfeifer has over 25 years of experience investigating and testifying in cases involving a variety of forensic engineering issues. He is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, commercial vehicle accidents, and the analysis of mechanical systems and product failures. 

Dr. Pfeifer has a strong background in the design, development, and implementation of roadside safety hardware including guardrails, bridge rails, and crash cushions. Over 33 patents have been filed worldwide on behalf of Dr. Pfeifer and associated colleagues who invented safer guardrail systems, vehicle storage systems, shipping container handling systems, and material handling and storage methods. He has utilized his technical knowledge and understanding of patents to assist in a number of matters involving patent litigation.

Dr. Pfeifer has published numerous papers to various organizations, covering topics such as new guardrail systems, energy absorbing guardrail terminals, breakaway sign mechanisms, and material handling technology. He has shared his expertise with many organizations on topics including vehicle collisions, bicycle accidents, roadway construction zones, and accident reconstruction expert witness utilization. Dr. Pfeifer is a registered Professional Engineer in three states and he continues to refine his skills and knowledge of accident reconstruction and roadside safety by staying current with new technology and best practices.

Expertise:

Ms. Traci Campbell, P.E., CXLT - Ms. Campbell has over 20 years of experience investigating, analyzing, and testifying in matters involving a variety of forensic engineering issues. She is a leading expert in industrial accident reconstruction and human factors; slip, trip, stumble and fall analysis; application of standards, codes, and guidelines including OSHA, ANSI, ASTM, Life Safety, ADA and Building Codes; workplace safety related issues; forklift and material handling devices; construction machinery and workplaces; manufacturing equipment; and the analysis of workplace systems and product failures. Ms. Campbell has a strong background working in manufacturing and industrial workplaces including the design, development, and implementation of solutions to ensure safe work environments. She has also been credited as part of a team holding a patent related to safeguarding power hand tools with rotating discs. Her special interests include amusement park and theme park accidents and safety related issues. Ms. Campbell is also a CXLT - Certified XL Tribometrist (slip index evaluation) and a certified counter balance forklift operator.

Ms. Campbell has served as a presenter with the American Society of Safety Professionals (ASSP) regarding slip, trip, stumble, and fall incidents. She has shared her engineering expertise with many organizations on topics including slip, trip, stumble, and fall incidents; electronic data in the realm of accident reconstruction; safety engineering and the engineering hierarchy; photogrammetry and other accident reconstruction techniques; OSHA compliance; and Industrial Engineering. Ms. Campbell is a registered and licensed Professional Engineer in five states and she continues to refine her skills and knowledge.

Expertise:

Mr. Chris Yates, P.E. - Mr. Yates has over 20 years of experience investigating cases related to a variety of forensic engineering issues. He is a Mechanical Engineer specializing in accident reconstruction involving autos, tractor-trailers, bicycles, pedestrians, and other roadway related incidents. His expertise also includes seat belts, occupant kinematics, product failure analysis, and electronic module downloads for both automobile airbag modules and tractor-trailer electronic control modules.

In addition to providing documentation, analysis, reports and testimony in forensics matters, Mr. Yates has been involved in the design of various products including safety guards for grinders and band saws, port container handling systems, vehicle and boat storage systems, warehouse material handling systems, and material handling systems for shipboard use.

Expertise:

Dr. J. P. Purswell, PhD, PE, CPE has extensive experience in Human Factors, Ergonomics and Safety Engineering. He holds a doctorate in Industrial & Systems Engineering from Virginia Tech. He has taught Safety Engineering Ergonomics in the Industrial Engineering Department at CSU-Pueblo since 1999. 

A member of the Human Factors and Ergonomics Society and the American Industrial Hygiene Association, Dr. Purswell also served as the Chair of the Industrial Engineers PE exam from 2005 to 2009. He continues to serve on the committee which is responsible for the preparation of the national professional engineering examination in industrial engineering. 

Dr. Purswell is the author of more than 20 publications and presentations on Product Safety, Occupational Safety, Printed Warnings, and Auditory Warnings. Examples of products addressed include silica, asbestos, cleaning chemicals, gasoline containers, and recreational equipment. Dr. Purswell maintains NIST-calibrated equipment for the measurement of light, sound, force, and whole-body and hand-arm vibration in addition to standard photo and video equipment. 

Litigation Support - An Expert Witness in the legal industry since 1997, Dr. Purswell has been qualified as an expert in state and federal courts across the nation in safety engineering, including safety analysis techniques such as Fault Tree Analysis and FMEA as well as product warnings / instructions and OSHA compliance issues. His services include site inspections, document review, drafting Rule 26-compliant reports, deposition, and trial testimony. He has been retained by attorneys for both Plaintiff (40%) and Defense (60%) more than 100 times, has been deposed approximately 50 times, and has testified at trial over 20 times. 

Areas of Expertise:

View Dr. Purswell's Consulting Profile.

Richard L. Hall has nearly 40 years of international experience in On and Off Road Product Development and Management consulting. An expert in product planning and development, process management and reengineering, and design and development engineering, he provides consulting services in the off-road vehicle and automotive industries. Clients include off-road, construction, and agricultural equipment companies.  

Background: Mr. Hall worked with CNH Global/Case Corporation for 34 years. He served as Vice President of Product Planning and Process Improvement from 2006-2009, leading a team of (17) Global Product Managers to create and maintain the Construction Equipment Product Evolution Plan and associated schedules and documents. He acted as the main interface  between engineers and the CNH Global patent office, reviewing all applications from both internal and external sources before they were sent to the company Patent Office.

Mr. Hall also led the Products Liability Support Team (litigation engineers) for Case Construction in North America on and off for nearly 20 years. Among other duties, he was responsible for:

• Global Construction Equipment (CE) Product Portfolio Management and Planning
• Engine Strategy and Program Management
• Telematics and Diagnostics Strategy
• Process Improvement and Engineering
• Tools Development and Deployment

Litigation Support: As president of Product Development Services, LLC, founded in 2009, Mr. Hall offers Technical Expertise in On and Off Highway Mobile Equipment. Providing legal support for many years, his services are available to attorneys for plaintiff and defendant and include, examination thorough reporting, deposition, and trial testimony as needed. 

Areas of Expertise:

Technical Competencies include:

• Powertrain Systems
• Hydraulic Systems
• Systems Integration, Controls, and Interfaces

View Richard Hall's Consulting Profile.

Georgia J. Persky RN, MBA, PhD, CLNC, CNOR is a Columbia University trained nurse researcher with over 40 years of broad Clinical Nursing experience and 25 years of senior leadership in Hospitals, Nursing Homes and Home Health organizations. She also has 20 years of Surgical Nursing and Operating Room experience. Dr. Persky has expertise in the micro issues in nursing for adult patient care and the broad management, quality, and regulatory issues in hospitals. 

Background Experience - Dr. Persky served as Vice-President of Nursing and Patient Care Services for the past 25 years and most recently at New York Presbyterian Hospital/Columbia University Medical Center. For nine years, she was responsible for Patient Care Services, Risk and Quality Management and Patient Satisfaction for a 750-bed academic hospital. She directed a $200 million budget with 33 patient care units and Care Management, Respiratory Therapy, Social Work and Admitting Departments with 9 direct reports and 2,000 patient care employees.

Litigation Support - As a Certified Legal Nurse Consultant and Quality Reviewer, Dr. Persky has investigated hundreds of Malpractice and Injury cases as a quality reviewer and can assist in legal case review with chronologies, timelines, and evidence-based reports. She has testifying experience in malpractice and personal injury cases, as well as, with human resource and employee discrimination with an ability to attest to standards of care in clinical litigation. Dr. Persky's services are available to attorneys for the plaintiff and defense seeking an expert in nursing and patient care with a strong understanding of how heath care organizations work.

Areas of Expertise:

View Dr. Persky's Consulting Profile.

Timothy W. Monsees, is a partner with the firm of Monsees & Mayer, P.C. For over 30 years, he has focused his practice on litigating complex Personal Injury cases. 

Background - Mr. Monsees graduated with honors from the University of Missouri-Columbia School of Law in 1981. He is admitted to practice in Missouri, Kansas and Texas. Mr. Monsees is recognized by Best Lawyers in America, Missouri Super Lawyers, Kansas City Business Journal “Best of the Bar”, and for many years has been recognized by Martindale-Hubbell with an “A/V” rating. He regularly presents at seminars helping to instruct other attorneys on trial practice skills. 

Mr. Monsees restricts his practice to representation of injured parties in litigation of product liability, construction & industrial accidents, professional negligence, and medical malpractice. Mr. Monsees’ firm has received national recognition for litigation related to injuries from defective sporting equipment and from defective firearms. 

Litigation Support - Mr. Monsees provides expert witness services for counsel representing injured parties. He addresses issues related to rules violations, time limits, discovery omissions, trial strategies, procedure, standard of care, and ethical violations. 

Areas of Expertise:

• Legal Ethics
• Legal Malpractice
• Medical Malpractice
• Personal Injury
• Demonstrative Evidence / Exhibits

View Timothy Monsees' Consulting Profile.

John L. Ryan, BSME, P.E. is a Mechanical Engineer who provides general Mechanical and Structural Engineering expertise. Mechanical and Safety Engineering (MASE) provides full service analysis and accident reconstruction of products involved in accidents. 

Mr. Ryan's services have been requested for attorneys and insurance companies needing forensic engineering expert witness testimony to determine whether machinery and products involved in injury cases were adequately designed or whether they have a Design, Manufacturing, or Material Defect. All products are lab-tested on site to determine adherence to industry standards and engineering design protocol. Alternate preventative designs are developed when none exist commercially. 

Mr. Ryan is available for both Plaintiff and Defense, depending on the individual case. His services include producing high quality reports and visual aids in the courtroom such as scale models to help explain accident scenarios and alternate designs to judges and juries. 

Areas of Expertise:

• Accident Investigation and Reconstruction
• Machine Guarding Accident Investigation
• Climbing Gym Accidents
• Belay Device Failure
• Rock Climbing Accidents
• Fall Protection Failures
• Ladder Failure Investigation
• Design Defect Analysis
• Structural Analysis of Buildings
• Product Liability Investigations
• General Engineering Injuries and Issues
• Industrial safety
• Engineering Continuing Education
• Product Certification

View John Ryan's Consulting Profile.

Martin L. Lee, PhD, CStat, Csci, FIBMS has more than 42 years of experience in clinical research as the head of departments in the Management of Clinical Research and Analytical Modeling of Healthcare Data for major pharmaceutical and medical device companies, as well as start-up biotech companies.

Dr. Lee is trained as a clinical biostatistician and has consulted with numerous healthcare companies around the world in the design, management and analysis of clinical research studies. Importantly, he has helped to start up a handful of companies and has been involved in the initial planning and funding of these companies. 

In addition, Dr. Lee is an Adjunct Professor of Biostatistics at UCLA where he has taught courses in basic and advanced biostatistics and clinical research design for the past 42 years.

Litigation Support - Dr. Lee has served as an expert witness for numerous cases over the past 31 years. He is an expert in sampling techniques, clinical research design and the conduct of clinical trials. As a trained clinical and non-clinical biostatistician, he is knowledgeable in the use of statistical methods in the legal arena. 

Dr. Lee's expert witness experience includes numerous healthcare fraud cases involving Medicare / Champas (for the U.S. Department of Justice, EPA, FTC), worker’s compensation (FBI), various state health insurance agencies (California, West Virginia, Florida, New  York, etc.), as well as patent infringement and product liability cases.

Dr. Lee has written expert reports, given depositions, and testified in administrative hearings and actual trials. His experience in sampling and statistical inference has been extremely useful in the prosecution of healthcare cases.

Areas of Expertise:

View Dr. Martin L. Lee's Consulting Profile.

The experts at Miller Engineering are Ann Arbor-based professional engineers celebrating 30 years of service to University, Government, Insurance, and Industry through research, publications, presentations, and testimony. Miller Engineering has a staff of engineers and experts in the Mechanical, Chemical, Agriculture, Industrial, and Human Factors fields of engineering with specific knowledge in the following areas: 

James M. Miller, PE, PhD – Founder Dr. Miller is an Emeritus Professor at the University of Michigan College of Engineering and a registered professional engineer and consultant with over 30 years of experience as an expert witness. He has served as a consultant to industry and government and is highly qualified to give engineering testimony. Dr. Miller specializes in warnings, labeling and instruction manuals, consumer product design, machine guarding, process safety, fire science, vehicle visibility, tractor egress/ingress, pedestrian and worker slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), compliance with occupational safety and consumer safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.).

Mark R. Lehto, PhD – Co-Founder Dr. Lehto is a Professor of Engineering at Purdue University. He completed his Ph.D. in engineering at the University of Michigan in 1985, where he specialized in Human Factors Engineering, in particular Warnings and Labeling. He has taught courses at Purdue in human and safety factors areas, as well as decision making and artificial intelligence. He has authored numerous professionally-reviewed articles, and he has authored / coauthored internationally-recognized textbooks in the areas of human factors and ergonomics. Dr. Lehto specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage and product information effectiveness.

David R. Clark, PE, PhD – Co-Founder Dr. Clark is an Emeritus Engineering Professor at Kettering University. He was an engineering Ph.D. graduate from the University of Michigan, where he specialized in human factors engineering and system safety analyses. In particular, his earlier degrees in mechanical and electrical areas have given him a special expertise in electrical fire- and explosion-related accidents. Dr. Clark is also published on the topics of warnings and labeling. With considerable in-plant experience at General Motors, he is uniquely qualified to provide student theses and design projects while teaching at Kettering that deal with many types of mechanical and optimization projects. Finally, he has extensive experience working for loss control companies, performing over 150 fire origin and cause investigations in the past few years.