Materials (General) Consultants: 24

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants’ and plaintiffs’ attorneys on numerous construction litigation matters throughout the United States and Canada.

He has been retained as an expert engineer in over one hundred litigation matters on single and class-action legal cases by the U.S. government, law firms, and insurance carriers at the State and Federal levels, working with both plaintiff and defendant sides.

A partial list of litigation cases is available upon request. His understanding of core engineering and legal concepts has enabled him to assist a wide range of clientele effectively. He brings diversified experience in structural and civil engineering design and forensic engineering, investigation, and evaluation.

He also conducts research, has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for numerous litigation and insurance-related matters.

He actively presents continuing education lectures to audiences of licensed engineers, architects, and general contractors on topics of structural and forensic engineering throughout North America. Mr. Hemmatyar has been the principal structural engineer on high-profile projects for prestigious clients, including NASA and other notable organizations.  Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013.

His work encompasses a diverse range of structures, including hospitals,  educational institutions (including schools and universities), telecommunication centers, aviation facilities, government buildings, laboratories, as well as commercial, industrial, and residential structures.

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 and conclusions for the most difficult engineering questions. Our forensic engineers support clients throughout the U.S. Our locations include Tallahassee, FL; Jacksonville, FL; Tampa, FL; New Orleans, LA; San Diego, CA; and Tucson, AZ.

Dr. Brian Pfeifer, P.E. - 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 Full Bio & CV.

Expertise:

Automobile Collisions Tractor-Trailer Collisions Guardrails / Bridge Rails Construction Zones Bicycle Accidents Pedestrian Accidents Motorcycle Accidents Occupant Kinematics

Roadside Safety Airbag Control Module (ACM) Analysis Tractor Trailer Electronic Control Module (ECM) Analysis Product Failure Analysis Maintenance of Traffic (MOT) Evaluation Restraint System Analysis Patent Litigation Technical Analysis

Dr. Ian M. Zeller, PhD, ACTAR, is an accomplished engineer with more than 10 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 Full Bio & CV.

Expertise:

Biomechanical Analysis Accident Reconstruction Injury Consistency Mechanism of Injury Analysis Vehicle Occupant Kinematics Falling Object Mechanics and Analysis Bicycle Accidents Pedestrian Accidents Amusement Park and Playground Accidents Crash Data Retrieval and Analysis

Product Failure Analysis Seat Belt Analysis Restraint System Occupant Position Determination Sequential Events Analysis Speed Analysis Vehicle Damage Consistency Collision Avoidance Material Fracture Analysis

 Michael R. Hill, PhD, PE, is a Biomechanical Engineer passionate about applying biomechanics techniques to solve diverse problems in forensics, medical research, engineering, biology, science, and mathematics. 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.

Dr. Hill’s core strengths are in orthopedic and cardiovascular biomechanics, vehicle accident reconstruction, injury consistency analysis, mechanical design, instrumentation,
experimental analysis, numerical methods, simulation, statistics, and image processing. Dr. Hill has lectured in the field of biomechanics and numerical methods, and his research has been published in 16 academic articles and presented at 40 international and national scientific conferences.

See Full Bio & CV.

Expertise:

Vehicle Accident Reconstruction Occupant Kinematics Orthopedic and Cardiovascular Biomechanics Human Tissue Damage Mechanics Slip, Trip, and Fall Analysis

Computational Mechanics  Experimental Biomechanics Image Analysis Computational Modeling Event Date Recorder (EDR) Data Retrieval and Analysis Automobile Restraint Analysis

View Quality Forensic Engineering Industrial Forensic Engineering Consulting Profile.

Expert Background: Dr. Thomas L. Read is the Principal and CEO at A. Read Consulting, LLC. He received his PhD. from Stanford University in 1972 and has over 25 years of manufacturing experience in electronics, metallurgy, factory safety, failure analysis, glass fracture, glass failure and bottle failure. As a member of the electronics industry, he has earned process patents and has an extensive background in manufacturing techniques.

In parallel, Dr. Read has spent over twenty five years as a consultant to attorneys and engineers. He has given more than 100 depositions and has appeared in court numerous times.

Company Profile: Read Consulting, LLC is a full service laboratory providing services in the following areas:

Failure Analysis; Factory Safety and Personal Injury (including machine guards and manufacturing safety)

Glass Failure Analysis - Glass Fracture, Glass Failures and Bottle Failure

Metal and Ceramic Failure

Grinding Wheel Failures

Intellectual Property and Patent Disputes

Product Liability and Product Quality

Manufacturing Disagreements (such as Intellectual Property, Failed equipment and Contract Disputes)

Reverse Engineering

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:

Components & Machinery Metallurgy & Corrosion Dynamics of Impact & Collisions Friction Analysis / Slips, Trips and Falls Intellectual Property & Patent Review Accident Reconstruction / Animation Computer Aided Design Education & Training

Electrocution & Switch Malfunction Grounding & Lightning Protection Lightning Impulse Testing Products and Premises Liability & Safety High-Voltage & Current Power Systems Bridge Design and Safety Fire & Explosion Cause and Origin And Much More...

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

CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

Credentials:	B.S., M.S., M.Eng., M.B.A., J.D., and Ph.D. Degrees Licensed Professional Engineers in Mechanical, Electrical, and Civil Engineering Tenured University Professors and Professionals NAFI Certified Fire and Explosion Investigators (CFEI) Licensed Master Electricians
Competence:	Over 80 Combined Years of Experience in Engineering R&D, Industry, Academia, Consulting, and Expert Witness Litigation Support Over 120 Combined Deposition and Court Testimonies
Credibility:	Internationally Recognized in Our Areas of Expertise More Than $19 Million in Peer-reviewed and Funded Research Grants Over 200 Combined Scientific Publications and Journal Articles
Communication:	Over 20 Different Undergraduate and Graduate-level University Courses Over 30 Invited Short Courses, Talks, and Lectures

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

Tom Jonaitis, DABT, is a Board Certified Toxicologist and Product Safety / Regulatory Consultant with 18 years of experience. He has broad expertise in the areas of Safety and Exposure Assessment, Regulatory Compliance, and Toxicology Evaluations.  

Mr. Jonaitis helps companies efficiently navigate and comply with various regulations and obstacles in the consumer product, food, cosmetic, dietary supplement, and chemical industries. His has co-authored several manuscripts in peer-reviewed journals on the topics of safety, risk assessment, and other research.

Background Experience - Prior to forming RegTox Solutions, Mr. Jonaitis served as Manager of Toxicology & Regulatory Affairs at Intertek Scientific & Regulatory Consultancy (2005-2018). He worked as subject-matter expert (SME) and client contact for matters related to California Proposition 65, including presenting webinars and presentations. He also conducted human exposure assessments in relation to chemicals in food, dietary supplements, consumer products, cosmetics, as well as deriving exposure limits for carcinogens, reproductive / developmental or other toxins using traditional and benchmark dose modeling approaches.

Business Consultant Services:

• Regulatory Compliance Evaluations
• Scientific Literature Hazard Reviews and Summaries for Chemicals / Substances
• Creating Pre-Market Quality and Safety Dossiers for Novel Food / Dietary Supplement Ingredient Applications (primarily for US, Canada, Australia)
• Safety Assessments
• Label Claims Analysis and Compliance
• Deriving Exposure Limits
• HazComm, Pesticide Applications, and various other niche areas
• California Proposition 65 Compliance (and how to avoid costly enforcement)

Shatec Engineering Consultants provides engineering consulting services in a variety of areas including highway engineering, traffic engineering, pavement engineering, geotechnical engineering, materials engineering, forensic engineering, construction support services, and other civil engineering matters. Example services include the following:

Traffic Engineering Highway Design Standards/ Geometric Design/ Plans and Specifications Highway Specifications / Guidelines Highway and Traffic Safety Highway Safety Traffic Control Devices / Traffic Control Plans/ MUTCD Sight Distance Requirements Road and Roadside Hazards ADA Requirements Surface Conditions - Friction, Skid Resistance Road Defects Code Violations

Pavement Design/ Materials Pavement Management Geotechnical Engineering Construction Quality Construction Defects Construction Claims Drainage Requirements Hot Mix Asphalt/Modified Asphalt Structural and Pavement Concrete Standards Mass Concrete/ Thermal Control Plans/ Instrumentation Highway Repairs / Maintenance Public Agency Policies / Practices

President, Shakir Shatnawi, PhD, PE, is a nationally and internationally recognized leader in the Transportation Engineering industry. He has over 30 years of practical and extensive engineering and transportation expertise covering industry and public agencies including the Federal Highway Administration (FHWA) and the California Department of Transportation (Caltrans). He taught highway and transportation engineering at California State University.

Dr. Shatnawi served as a principal investigator on multi-million dollar transportation projects. He held various positions in Caltrans including a Senior Transportation Engineer, a Supervising Transportation Engineer and a Division Chief.  Dr. Shatnawi's education and experience demonstrates a wealth of engineering knowledge stretch in highway design, traffic engineering, pavement design, geotechnical engineering, materials and construction . As a recipient of many acknowledgements from the government, Dr. Shatnawi has an impeccable reputation within the industry for his significant professional contributions. As an expert orator, he frequently shares his knowledge at major conferences around the world. 

View Dr. Shatnawi's Expert Witness Profile.

AVAILABLE NATIONALLY
CERTIFIED RESTORERS * CERTIFIED INDOOR ENVIRONMENTAL CONSULTANTS *
CERTIFIED MICROBIAL REMEDIATION SUPERVISORS * CERTIFIED ENVIRONMENTAL INFECTION CONTROL CONSULTANT * CERTIFIED STRUCTURAL DRYING SUPERVISOR * CERTIFIED INFRARED THERMOGRAPHERS *
IICRC CERTIFIED MASTERS * LIC. GENERAL CONTRACTORS #299472

SUMMARY OF EXPERIENCE

 Brian Spiegel and David Spiegel offer expert testimony and consulting services regarding smoke, water, fire, mold contamination property damage restoration, reconstruction, and construction defect related problems. Both have been speakers nationally and internationally on property damage restoration, construction, and mold contamination related topics. In the past at the Property Loss Research Bureau (PLRB) national mold symposium in Charlotte, North Carolina and at the Forensics Consultants Association on toxic mold litigation and mold remediation in Newport Beach, California. In the media, Brian and David have written articles for industry trade magazines and given television and radio interviews, including one with Brian on ABC TV “Good Morning America” featuring a segment on mitigating water damage. 

CONSULTANTS AND EXPERT WITNESS

Mold & Bacterial Contamination Construction Defects Fire & Smoke Damage Industry Standards of Care

Structural Damages Water Damage Sewage Backflow Flooring Forensics

EXPERT SERVICES

Property Damage Contractor Inspections & Formal Reports Cause and Origin Investigations Smoke Particulate Testing Property Insurance Claims Testing

Detailed Construction Estimates Cost Damage Appraisals at Current Industry Pricing Litigation Support Infrared Structural Inspections Concrete Moisture Testing

PROPERTY DAMAGE ASSESSORS

• Residential and Commercial
• Appraisal Process: Appraisers & Umpires
• Contents and Structure

William C. Stein, Jr., PE, CCM, has more than 45 years of Roadway / Heavy Highway Construction and Materials Engineering experience. He has a rich and varied work history that includes construction materials engineering for highways and bridges, industrial plants, high rise offices, and power plants. He has worked for private owners and general contractors as well as the Department of Transportation.

Litigation Support - Mr. Stein Offers consulting and expert services for attorneys on issues regarding road, street, highway, temporary traffic control, runway, and earthwork; asphalt, concrete, coatings and other construction materials; designs, plans, specifications, CPM scheduling (Primavera) and contract documents; right-of-way issues; and work zone safety. Licensed in Louisiana, Pennsylvania, and Texas, he performs contract performance forensic investigations and provides consulting, expert reports, rebuttals, and testimony if required.

Areas of Expertise:

Highway Construction Roadway Construction Bridge Construction Highway Engineering Materials Engineering Construction Site Work

Traffic Safety Concrete / Cement Building Contractor Liability Construction Damages Scheduling Delay and Analysis Soil Analysis

Certifications:

• Certified Construction Manager (CCM)
• Certified Primavera Basic (CPM)
• Certified Primavera Advanced (CPM)
• Certified LADOTD Structural (bridge)
• Inspector/Technician Certified Troxler
• Humboldt Nuclear Moisture/ Density Operator
• Lead Abatement
• Certified Quality Compliance Surveillance in Fossil Power Plants, Organic & Inorganic Coatings Application and Inspection
• Certified Traffic Control Supervisor
• Certified Flagger Instructor

Summit Associates of Bedford is a Materials and Manufacturing firm offering growth strategy, operations improvement, and international sourcing to commercial clients ranging in size from $3 to $150 million.

Summit Associates has a record of fixing troubled organizations and driving growth in complex technology based operations. Skilled at positioning small and middle market companies for sustained growth, they have commercial experience in ten countries, including creation and oversight of global partnerships in Europe and India and acquisition, sale, and licensing of fifteen technologies in seven countries.

Consulting Services:

Turnaround Leadership Organizational Change and Alignment Accelerated New Product / Market Development Product Launch

Lean Manufacturing Technology Acquisition Sale and Licensing International Partnerships Technology Valuation

Principal, 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.

View Thomas A. Caldwell's Expert Witness Profile.