Slip, Trip and Fall Accidents Expert Witnesses: 24

Dr. C.J. Abraham, P.E. is a Licensed Professional Safety Engineer with over thirty five years of international experience consulting to insurance companies, municipalities, government agencies, and the legal profession. He provides consultation to International corporations in the areas of New Product Development, Manufacturing, Packaging, Warnings and Instructions. 

Dr Abraham's services include Expert Witness Testimony for both Plaintiff and Defense in matters involving Personal Injury and Product Liability. 

Areas of Expertise:

Since 2010, Craig Moskowitz, MBA, MS, PE, the President and Managing Member of CLM Engineering Associates, LLC (CLM), has been concentrating the comapny's focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, they offer construction management, civil engineering and building inspection services. 

CLM has extensive construction management experience on both commercial and residential projects. Projects have included:

•  Safety inspections on both civilian and military projects through application of OSHA regulations. Designed drainage systems for the government while an officer with the United States military. Cost estimating for various projects exceeding $500 million<li>
• Designed document creation and management of high-rise construction in Manhattan
• Management of telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating
• Directed and managed all water distribution system and sewer system work while working as a contractor to the New York City Department of Design and Construction. 
• Marketplace Services

Litigation Support - Forensic work related to evaluation of structural steel systems with commercial building construction and insurance-related claims due to storm damage on commercial and residential structures. Craig Moskowitz has been deposed several times in litigation matters. Mr. Moskowitz has testified 17 times in the past four years. 

View Craig Moskowitz's Consulting Profile.

Carl Berkowitz, PE, Ph.D., AICP, is a Transportation and Traffic Engineering expert with almost 50 years of expertise. He's held various managerial and administrative positions in the transportation industry, government, private, and academic sectors.

Dr. Berkowitz has extensive multi-modal experience in planning, design, engineering, safety, security, construction, maintenance, operations, and management. He has written and edited numerous reports, studies, articles, and columns for major publications, journals, newspapers and scholarly periodicals.

Background Experience:

• Transportation and Traffic Engineering Consultant, 1988 - Present
• New York City Department of Transportation, New York, 1970 – 88
• New York State Office of Planning Coordination, New York, 1967 - 70
• New York State Department of Transportation, Babylon, NY, 1963 - 67
• New York City Transit Authority, New York, 1962 - 63

Litigation Support - Dr. Berkowitz has served as a litigation consultant since 1997.  He has the background and experience to make him ideally suited to contribute important information at every stage in the litigation process. Dr. Berkowitz is able to explain complex issues in layman terms, suggest strategies, investigate and uncover facts, perform literature reviews, research, and prepare safety evaluations. He has been deposed / testified over 50 times in the last 5 years.

Gregory J. Cahanin, CP works in the Fire Protection Engineering field. Over 40 years of experience in the application of sound engineering principles work to produce results in litigation cases. He is nationally recognized as a Life Safety and Fire Protection expert. He performs fire origin and cause, fire alarm, fire sprinkler, kitchen suppression, fire wall and compartmentation failures, and slip and fall forensic investigations.

Gregory J. Cahanin Fire & Code Consulting has been based in St. Petersburg, FL for over 25 years.

Background - Mr. Cahanin served as a Senior Life Safety Engineer with the National Fire Protection Association (NFPA), the organization that writes Fire Protection Codes and Standards. He was staff liaison for building construction standards and the Fire Prevention Code. Special project work included support of the International Division of NFPA in a survey of fire protection for all oil production facilities of LaGoven SA in Venezuela; an evaluation of the existing airport terminal in Rio De Janeiro, Brazil; and a code comparison study for the National Institute of Building Sciences. Mr. Cahanin investigated multiple fatality fires for NFPA and his reports are nationally published and peer reviewed. Mr. Cahanin holds Professional Grade Membership in the Society of Fire Protection Engineers. Mr. Cahanin has earned three undergraduate degrees in Fire Science and Fire Protection and a Master in Public Administration.

Litigation Support - Mr. Cahanin regularly testifies in fire cases offering opinions on the origin and cause of fires in addition to component failures in construction, fire sprinkler systems, kitchen suppression systems and product failures. He is nationally published on fire protection requirements in the building code as a contributing editor on the 2006 edition of the International Building Code (IBC) Commentary where he edited the sections on fire-resistance rated construction. He currently serves on code committees with both the NFPA and ICC. Mr. Cahanin holds a NALA paralegal certification and is well versed in Civil Procedure, interrogatory, expert report writing, and trial procedures. 

Mr. Cahanin meets the professional qualifications of NFPA 1033, Standard for Professional Qualifications for Fire Investigator as documented in a Florida Declaratory Statement held by no other fire expert in the state of Florida. Investigations of note include the Warwick. R.I. Station Nightclub Fire in 2003 with 100 fatalities. In Wyatt v. Security Alarms Co., Inc. key testimony on the failure of a Viking automatic fire sprinkler established a product liability that resulted in a $1.4M dollar jury award for Wyatt in Oklahoma. Mr. Cahanin's services are available to plaintiff and defendant attorneys. Case work can include site investigation, materials testing, thorough reporting, depositions, and trial testimony.

Areas of Expertise:

View Cahanin Fire & Code's Consulting Profile.

Anthony S. Boom is an Electrical Engineer and Escalator Controls Expert Witness with over 35 years in the escalator business. Currently providing expert witness services though Cetek, Inc., he spent the last three decades working as an Electrical Engineer with Montgomery Escalator and KONE R&D, escalator division.

Three patents Mr. Boom received while working at Montgomery and at KONE include one for Safety Switch and Method of Checked Redundancy, utilized in all of the current transit escalator safety circuits; an Apparatus and Method for Variable Torque Braking of Escalator and Moving Walkways; and a Method and Conveyor System for KONE Sleep Mode Controller.

Litigation Support - Mr. Boom offers expert witness services to attorneys representing plaintiff and defense. Services include expert witness testimony, written or oral affidavits, site inspections, technical investigations, technical review documentation, etc. 

Areas of Expertise:

Background Experience and Accomplishments:

• Designed and developed many custom escalator electrical controls. He also designed and wrote the code for Montgomery Escalator and KONE escalator controls, including the controls for the Trans 180 escalator platform (the ES373’s model).
• Developed diagnostic guides for escalator controllers and braking systems and technical bulletins for all aspects of the escalator electrical control system.
• Oversaw the CSA certification of the escalator control and brake systems.
• Supervised and trained electrical and mechanical engineers.
• Provided tech support to KONE personnel regarding Otis controls and performed power studies on a variety of Otis escalators. 

Selected Case Experience:

• 2022: Escalator at department store, PA: Alleged injury on escalator.
• 2023: High rise transit escalator, NY: Ongoing.
• 2023: Public transportation escalator, NY: Ongoing.  See CV for Full List

Frank S. Ferrantello, PLS, is a New York State Licensed Land Surveyor with over 20 years of experience in Surveying, Civil Engineering, and Land Use Planning. Both his field and office Work experience have dealt with a wide range of projects and sites including residential single, multifamily, high rise municipal, utility, private and public, commercial, and industrial. Prior to and post college, 

Mr. Ferrantello worked for the firm of John P. Ferrantello PC from 1998 to 2010 and MJM engineering from 2008 to 2016. His duties consisted of performing office and field surveying, drafting, research, computations, boundary analysis, solutions, investigations and determinations. 

Mr. Ferrantello also has extensive experience in Site Planning and Subdivision Consulting, examining title records, deeds and other recorded documents such as ingress and egress, pedestrian easements, right of ways, air and development rights, vista easements, bridle paths, beach, bathing and mooring rights, covenants and restrictions, real property, zoning, and other land use principles. 

Litigation Support - A mapping professional, Frank S. Ferrantello will enhancing your case, whether it is a vehicular accident, tree collision, wrongful death, adverse possession, extreme error, or misconduct surveys and maps. He has extensive knowledge of the local Long Island zoning codes, site planning and subdivision regulations. His services are available to attorneys representing plaintiff and defendant, insurance companies, and experienced developers. 

Legal Services:

Areas of Expertise:

View Frank S. Ferrantello's Consulting Profile.

Dr. Kevin A. Rider, PhD, PE, CPE of Forensic Human Factors, LLC., providing forensic engineering and specializing in catastrophic motor vehicle collisions, illumination and conspicuity, driver behavior/attention/distraction, workplace safety, machine guarding, slips, trips and falls, and the adequacy of product warnings and instructions. His work focuses on identifying the Human Factors that lead to unfortunate incidents, and what should have been done to prevent them. 

Dr. Rider is a Licensed Professional Engineer and Certified Professional Ergonomist, and has studied human movements and behavior, and served as a human factors consultant since 1999, including five years teaching industrial engineering and occupational safety courses at West Virginia University. He has presented at professional conferences, both nationally and abroad, and his research is published and cited in a number of peer-reviewed journals. He continues to serve as a reviewer for conference and journal manuscripts. 

Dr. Rider has testified over 250 times, and excels at educating attorneys and jurors. His services are available to attorneys for both Plaintiff and Defense. 

Dr. Fari Barzegar is a Licensed Engineer with 37 years of experience in Civil and Structural Engineering & Construction Forensics, Construction Project Management, university teaching/research. He has been an Expert Consultant / Witness in over 100-cases.

Litigation-Support Consulting Expert Witness with testimony and trial experience. Has been retained by insurance companies, law firms, construction, energy, mining, technology & manufacturing industries, governmental & educational institutions, engineering and architectural firms, property owners and individuals. Consultant in both plaintiff and defendant cases.

• Insurance & Surety Claims, Peer Reviews
• Buildings, Structures & Materials: Residential, Commercial, Institutional, Historic Structures; Bridges, Towers, Stacks/Chimneys, Containment Vessels, Tanks, Grain Silos, Conduits & Pipelines, Retaining Walls, Foundations, Slabs & Pavements; Concrete, Steel, FRP Composites, Wood, CMU, Brick Masonry & Adobe
• Design / Construction / Integrity issues, Seismic Resistant Design; Errors & Omissions;Standards of Care; Repair & Retrofit Design Documents
• Construction Defects & Accidents; Defective Concrete; OSHA Standards, Excavations / Trenching / Scaffolds
• Slip/Trip/Fall, Code Compliance
• Damage & Failure Investigation; Due Diligence; Non-Destructive Testing 
• Explosion, Impact, Earthquake, Wind, Fire, Hurricane & Flood Damage Inspections / Analysis/Report
• Pile Driving & Demolition Damage to Adjacent Facilities: Vibrations, Cracking / Settlement
• Dynamic, Fracture, Thermal & Finite Element Stress Analysis; Product Design; Failure Simulation / Reconstruction
• Intellectual Property & Patent Infringement

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 20 years of experience in:

• Mold
• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure Assessments

Litigation Support - Dr. Brown has been a designated expert in hundreds of cases, been and has testified in both trials and arbitrations. His expertise has never been successfully challenged. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

The four PhD and registered PEs at Miller Engineering are celebrating 40 years of Professorships at three universities along with providing services to Government, Insurance, and Industry—through research, publications, presentations, and expert testimony. We have a dedicated office with a full time staff of engineers, researchers, and technical writers. The span of our collective academic and experiential expertise covers well the Mechanical, Electrical, Chemical, Agricultural, Industrial, Human Factors, Ergonomic and Safety fields of engineering. The areas listed below are from actual projects completed in our 40 years of history. 

Jeffrey S. Lapin, CPM, ARM, DREI, is an expert in maintenance and management procedures and reasonable standards of care for commercial and residential multifamily properties. He has been directly involved in Property Management, Leasing and Construction for over 40 years. 

Mr. Lapin is a Certified Property Manager (CPM®) and an Accredited Residential Manager (ARM), certified by the Institute of Real Estate Management (IREM®). Mr. Lapin is a certified instructor for IREM® and is a co-author of IREM's Maintenance and Risk Management Course (MNT 401). Mr. Lapin teaches for the Building Owners and Managers Association (BOMA®) and is a Distinguished Real Estate Instructor (DREI). Mr. Lapin teaches courses for these prestigious international property associations, including courses required by IREM® and by BOMA® for the respective professional accreditations they offer, centered around inspection and maintenance topics. He also served as President of the Institute of Real Estate Management (IREM®) Chapter 22 in Sacramento, California in 2016. 

Mr. Lapin specializes in Standard of Care for Landlords, Property Maintenance and Inspection Procedures, Management Policies and Procedures, and Asset Value Protection. His background includes roles with a diverse group of private property owners. His experience is in managing and leasing all types of property including commercial and multi-family residential, industrial, office, and retail real estate assets. 

Litigation Support - Mr. Lapin provides expert witness services on Commercial and Residential Real Estate Standards of Practice. His cases involve injuries, personal and financial, that occur as a result of an alleged failure by a commercial or multifamily landlord to follow reasonable standards of care and industry standard practices.

Areas of Expertise:

View Jeffery Lapin's Consulting Profile.

Dennis Gemberling, CHA, CFBE, FMP, FCSI, President and Founder of Perry Group International, has over 35 years of experience in the Hospitality Management industry. His experience includes managing, operating, and consulting on full-service, limited-service, extended-stay, all-suite, condo and timeshare hotels and resorts, casual, fine-dining, and quick-service restaurants, bars and nightclubs, catering and special event facilities, casinos, and mixed-use real estate. 

Mr. Gemberling has held prior positions for different owners, operators, and chains as Senior Vice President, General Manager, Director of Food & Beverage, and Restaurant Unit Manager. He has been retained on over 400 projects with typical values in the $1 million to $75 million range and revenues in the $1 million to $100 million range both nationally and internationally. His many clients have include among others Biscuits & Blues, Cantina’s, Chevy’s, Choice Hotels, Embassy Suites, Hampton Inns, Hilton, Holiday Inns, Hooter’s Casino, Hyatt, Marriott, McDonald’s, Microtel Inn & Suites, Outback Restaurants, Radisson, Residence Inns, Signature Resort, Sizzler, Sonic Drive-Ins, Starbucks, Starwood, Sheraton, Togo’s, Wendy’s, and Willie Mays Skybox Lounge. 

Litigation Support: Dennis Gemberling is a Certified Hotel Administrator, Certified Food and Beverage Executive, Certified Foodservice Management Professional, and Certified Food Safety Manager. He offers expert witness services to attorneys for plaintiff and defendant cases on a variety of Hospitality-related claims. He is a Professional Member of Foodservice Consultants Society International and the Forensic Expert Witness Association. Mr. Gemberling also provides expertise as a Court Appointed Receiver and Interim Property Manager and is currently the Past President and a Board of Director for the California Receivers Forum – Bay Area Chapter. 

Areas of Expertise:

View Dennis Gemberling's Consulting Profile.

Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, biomechanics, fire investigations, patent litigation analysis, premises liability, product liability, and tire failure analysis. We use the latest technology and industry proven techniques to provide thorough analysis, expert testimony, and conclusions for the most difficult engineering questions. Our forensic engineers are strategically located throughout the U.S. to support clients nationwide.

Dr. Brian Pfeifer, PhD, PE - Dr. Pfeifer is an Engineering Expert with over 27 years of experience investigating thousands of cases involving a variety of forensic engineering issues. He is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, commercial vehicle accidents, pedestrian accidents, bicycle 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 30 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 also 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 nine 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. Dr. Pfeifer has extensive experience with providing deposition and trial testimony as an Engineering Expert. See Dr. Pfeifer's Full Bio & CV.

Expertise:

Dr. Ian M. Zeller, PhD, PE, ACTAR, is an accomplished engineer with more than 14 years of experience in Biomechanics and Computational Dynamics fields. He has investigated hundreds of cases ranging from motor vehicle accidents, recreational incidents, medical device designs, as well as injuries from product liability all across the United States. 

Dr. Zeller has graduate level experience in computational dynamics and orthopedic biomechanics with a specific emphasis in dynamics, vibrations, joint contact mechanics, and muscle control during static and dynamic loading applications. Dr. Zeller’s past research includes clinical and computational analysis of the human body with respect to the design and implantation of orthopedic devices for the knee, hip, and spine. He has published in peer-reviewed journals and presented research at both technical and surgical conferences in North America, Europe, and Asia. Dr. Zeller also worked with surgeons across the United States in the design and assessment of knee replacement devices, including personalized and prototype devices to optimize for efficacy and safety. 

Dr. Zeller is also accredited as a traffic accident reconstructionist and continues to conduct research as well as maintain a current knowledge of developing trends and best practices in the biomechanics and engineering fields. Dr. Zeller has published to various organizations on topics ranging from knee replacement design, forward solution modeling, joint mechanics, personalized joint replacements, material structures and properties as well as biological modeling of disease distributions. He also has an extensive testifying history including depositions, trials, and arbitrations. See Dr. Zeller's Full Bio & CV.

Expertise:

Dr. Michael Hill, PhD, PE, has over 20 years of experience in the field of Biomechanics, including over 6 years of experience investigating, analyzing, and professing matters involving a variety of forensic engineering issues. He is an expert in experimental, theoretical, and computational tissue biomechanics, with a focus on injury mechanisms, human tissue damage, and nonlinear soft tissue mechanics. In his current role, Dr. Hill applies a biomedical perspective to a variety of cases, including vehicle and pedestrian collisions; biomechanical analysis and injury consistency; occupant and pedestrian kinematics; product and machinery failures; and slip, trip, and fall investigations.

Dr. Hill is a registered and licensed Professional Engineer in multiple States and holds a Doctor of Philosophy degree in Bioengineering with a focus on Biomechanics. He has investigated hundreds of cases involving motor vehicle accidents, slip, trip, and fall accidents, medical device failures, and industrial accidents across the United States. 

Dr. Hill has collaborated with cardiovascular and orthopedic surgeons, engineers, and scientists in the United States, Japan, and the United Kingdom on various medical research projects. He has lectured in the field of biomechanics and numerical methods, and his research has been presented at over 40 international and national scientific conferences and published in 17 academic articles with over 1,000 citations. Dr. Hill also has an extensive history of testifying in depositions and trials. See Dr. Hill's Full Bio & CV.

Expertise:

View Qforensics' "Tire Defect & Fire Origin and Cause" Forensic Engineering Expert Witness Profile.

Brian Darr, P.E. IAAI-FIT(V), CFEI,has extensive experience with tire failure analysis, fire investigation, vehicle accident reconstruction, and product failure investigation. 

Mr. Darr has over 25 years of experience with tires including failure analysis, tread design, development, manufacturing, quality investigation, race tire preparation, and testing of tires at numerous testing facilities. He worked in a tire manufacturing facility as a plant technical engineer where he investigated quality related issues, and in a Research & Development (R & D) center where he designed, developed, tested, and analyzed tires. Mr. Darr has visited numerous tire production plants such as Goodyear, Bridgestone, Michelin, and Continental tire. He has inherent knowledge of the PAX run-flat tire system and C3M manufacturing process. He also was responsible for verifying standards and regulations were met, related to tire product and tire pressure monitoring sensors. Mr. Darr has been qualified as a tire expert in State and Federal court. He has completed forensic tire failure analysis on many types of tires (passenger, light truck, radial medium truck, retreads, motorcycle, etc.) in which he referenced hundreds of publicly available tire related documents. He reviews forensic tire reports from outlying offices along with providing marketing support and giving seminars nationwide.

Mr. Darr has conducted numerous vehicle and residential fire origin and cause investigations with various findings including fires that were intentionally set, accidental, and electrical in nature. He has also conducted fire suppression system investigations. Mr. Darr holds multiple fire certifications and designations with the International Association of Arson Investigators and the National Association of Fire Investigators.

In addition to conducting tire failure analysis and fire investigation, Mr. Darr’s forensic experience includes vehicle accident reconstruction for passenger and commercial vehicles, motorcycles, vehicle component failure analysis and insurance fraud/consistency evaluations. He also conducts crash data retrieval (CDR) downloads for passenger vehicles and engine control module (ECM) downloads for commercial vehicles. Mr. Darr evaluates traffic signal timing relating to intersection collisions. He also provides services in product and material failure analysis, cause analysis of plumbing failures, mechanical equipment and machinery failures, vehicle and residential fire investigations, fire suppression system investigations, lightning strike investigations, nondestructive examinations and testing, product design and assessment of conformance to government, corporate, industry, safety, and international standards.

Mr. Darr is a graduate of The Ohio State University with a Bachelor of Science Degree in Mechanical Engineering.

Learn more at: TireFailureExpert.com or Qforensics.com

See Full Bio & CV

Expertise:

View Quality Forensic Engineering's Accident Reconstruction Biomechanics Engineering Expert Witness Profile.

Since 1988, Real-World Forensic Engineering, LLC ("RWFE") has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing in many areas.

RWFE Areas of Expertise Include:

At RWFE, we proudly distinguish ourselves by our Four C's:

CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

Design Evaluation – Accident Investigation – Intellectual Property - Failure Analysis – Fire Cause & Origin – Component Testing - Computer Aided Drafting – Accident Animation - Expert Witness & Litigation Support

www.ExpertEngineering.com