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Structural Failure Analysis
RA

Ronald A Bova, PE, DFE

Chief Forensic Engineer

41 years+ yrs8.3

Ronald A Bova, PE, DFE is a forensic engineering expert specializing in structural failure analysis and construction defects. With a career spanning structural engineering, forensic investigation, and civil engineering liability, he brings a comprehensive framework to litigation work. His work centers on investigating structural failures, assessing construction defects, and evaluating whether civil engineering standards were met. Mr. Bova has been retained in numerous expert witness and consulting engagements across the United States, involving structural failure analysis and construction defect cases. His B.S. in Civil Engineering Technology, along with his Board Certified Diplomate in Forensic Engineering, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural and civil engineering issues.

Construction DefectsCivil Engineering LiabilityDamage Assessment+2
Transportation
TB

Timothy Borchers

Light Rail & Transit Systems Expert Witness

Tampa, FL41 years+ yrs8.3

Timothy Borchers is a light rail and transit systems expert specializing in safety certification and regulatory compliance in public transportation. With a career encompassing management, operational, technical, and regulatory experience in both public and private sectors, he brings a comprehensive framework to his litigation work. His work centers on investigating accident causation, assessing regulatory adherence, and evaluating whether safety management systems meet industry standards. Mr. Borchers has been retained in numerous expert witness and consulting engagements across the United States, involving light rail and streetcar accidents, automated people mover incidents, and transit bus accidents. His Bachelor of Business Administration in Management, along with certifications such as Transit Rail System Safety and Transit Rail Incident Investigation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving transit system safety and regulatory compliance.

RailroadAll Aspects of Light Rail SystemsSafety and Regulatory Compliance+8
Telecommunications
DH

David Hilliard Williams

President and Founder

Saint Louis, Missouri40 years+ yrs8.3

David Hilliard Williams is a wireless and IoT technology expert specializing in product and technology development, implementation, and intellectual property litigation services. With a career spanning telecommunications, geotechnical engineering, and location-based services, he brings a multifaceted perspective to his litigation work. His work centers on investigating GPS and network-based location determination systems, assessing wireless 911 and NG911 technologies, and evaluating IoT data privacy and security. Mr. Williams has been retained in numerous expert witness and consulting engagements across the U.S., involving patent, ITC, and criminal litigation, as well as civil trade secrets and product liability cases. His MBA in Information Systems Management from The University of Texas at Austin, along with his BSEE in Digital System Design from Purdue University, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving wireless communications and IoT systems.

Geotechnical EngineeringLocation-Based Services (LBS)GPS Systems+94
Mechanical Engineering
TC

Timothy C. Behrens

Forensic Mechanical Engineer

Phoenix, AZ42 years+ yrs8.3

Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI is a forensic mechanical engineering expert specializing in failure analysis and forensic investigations. With a career spanning vehicle fire origin, mechanical component failures, and accident reconstruction, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating vehicle fire origins, assessing mechanical system failures, and evaluating accident reconstruction scenarios. Mr. Behrens has been retained in numerous expert witness and consulting engagements nationwide, involving vehicle fires, mechanical failures, and accident reconstructions. His Bachelor of Science Degree in Mechanical Engineering, along with certifications such as Certified Fire Investigator and Certified Vehicle Fire Investigator, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving vehicle and mechanical system failures.

Failure AnalysisVehicle Fire Origin & CauseVehicle Failure Analysis+5
Safety
JB

Jay Beam

Expert Witness

Edmond, OK23 years+ yrs8.3

Jay Beam is a forensic engineering and safety expert specializing in litigation support within the oil and gas industry. With a career spanning safety engineering, environmental compliance, and accident reconstruction, he brings a multifaceted perspective to his litigation work. His work centers on investigating industrial accidents, assessing regulatory compliance, and evaluating whether safety standards have been met. Mr. Beam has been retained in numerous expert witness and consulting engagements across the United States, involving oilfield accidents, workplace safety, and regulatory compliance cases. His Master’s Degree in Mechanical Engineering from Iowa State, along with his membership in the National Association of Forensic Engineers, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving industrial safety and compliance.

Oil and GasLitigation SupportDeposition and Trial Support+13
self-defense
EK

Emanuel Kapelsohn

Expert Witness

Allentown, PA49 years+ yrs8.3

Emanuel Kapelsohn is a firearms and use of force expert specializing in litigation consulting and expert witness services. With a career encompassing firearms training, defensive tactics, and executive protection, he brings a comprehensive understanding of law enforcement and civilian defense practices to his litigation work. His work centers on investigating shooting scene reconstructions, assessing use of force policies, and evaluating whether involuntary muscular contractions contributed to firearm discharges. Mr. Kapelsohn has been retained in numerous expert witness and consulting engagements across the United States, involving self-defense cases, gun and hunting accidents, and police practices. His Juris Doctor from Harvard Law School, along with certifications such as FBI-Certified Firearms Instructor and NRA-Certified Police Firearms Instructor, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving firearms and use of force.

gun accidentshunting accidentsfirearms training+16
Mining
JS

Jill Shackelford

Mining and Asphalt Executive

Austin, Texas37 years+ yrs8.3

Jill Shackelford, BBA is a mining and asphalt executive specializing in environmental compliance and permitting within the construction and aggregate industries. With a career spanning strategic market placement, quality control, and regulatory navigation, she brings a comprehensive operational framework to litigation work. Her work centers on investigating environmental compliance, assessing regulatory adherence, and evaluating whether industry standards were met. Ms. Shackelford has been retained in numerous expert witness and consulting engagements across Texas, involving asphalt production, aggregate mining, and environmental permitting cases. Her BBA in Management from Texas Tech University, along with continuing education in Aggregate Properties and Testing from Auburn University, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving environmental regulations and construction practices.

ConstructionAsphalt, Aggregate and Seal projectsEnvironmental Compliance and Permitting+16
Structural Engineering
KK

Ken Karston

President

Chicago, Illinois8.3

Ken Karston, S.E., P.E. is a structural engineering expert specializing in construction defects and building envelope investigations for water infiltration. With a career spanning design, forensic investigations, and construction administration, he brings a comprehensive framework to litigation work involving structural integrity and compliance. His work centers on investigating construction defects, assessing building conditions, and evaluating whether structural designs meet industry standards. Mr. Karston has been retained in numerous expert witness and consulting engagements across the United States, involving residential, commercial, and historic building cases. His Bachelor of Science in Civil Engineering from the University of Illinois at Chicago, along with his certifications as a Registered Structural Engineer in Illinois, Nevada, and Utah, and as a Registered Professional Engineer in multiple states, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural engineering and construction practices.

Construction DefectsBuilding envelope investigations for water infiltrationBuilding code review+8
Architecture
JR

James Rappoport

AIA – NCARB Professional Architect

Philadelphia, PA50 years+ yrs8.3

James Rappoport, AIA – NCARB is an architectural expert specializing in ground-up, renovation, and historic adaptive reuse projects. With a career spanning urban design, planning, and architectural practice, he brings a comprehensive framework to litigation work involving complex design and construction disputes. His work centers on investigating building code compliance, assessing architectural design standards, and evaluating whether professional liability has been met. Mr. Rappoport has been retained in numerous expert witness and consulting engagements across the USA and internationally, involving cases related to office facilities, hotels, resorts, and retail developments. His Bachelor of Architecture from Cornell University and M. Sc. in Architecture & Urban Design from Columbia University, along with certifications from the National Council of Architectural Registration Boards (NCARB), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving architectural design and construction practices.

Slip Trip & FallReal Estate Lending PracticesDevelopment Financing+31
Engineering
JR

John R. Stauder

Principal

Walnut Creek, CA22 years+ yrs8.3

John R. Stauder is a fire protection engineering expert specializing in fire protection system design and building code consulting. With a career spanning engineering, construction defects, and fire protection, he brings a comprehensive framework to litigation work involving fire safety and compliance issues. His work centers on investigating fire protection system failures, assessing building code compliance, and evaluating whether fire safety measures meet industry standards. Mr. Stauder has been retained in numerous expert witness and consulting engagements across the United States, involving fire protection systems, building codes, and life safety evaluations. His MEng in Fire Protection Engineering from the University of Maryland, along with P.E. registration in multiple states, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving fire protection and building code compliance.

Construction DefectsFire ProtectionBuilding Code Consulting+1
HVAC
DG

David G. Shreve, P.E.

Senior Consultant

San Diego, CA35 years+ yrs8.3

David G. Shreve, P.E. is a mechanical and forensic engineering expert specializing in construction defects and engineering design disputes. With a career spanning forensic consulting, engineering design, design-build, and construction administration, he brings a multifaceted perspective to litigation work. His work centers on investigating design errors and omissions, assessing construction claims, and evaluating whether property damage or personal injury resulted from engineering failures. Mr. Shreve has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, higher education, hotel, and residential properties. His Bachelor of Science in Mechanical Engineering from the University of Michigan, along with CPD Certified in Plumbing Design (ASPE) and LEED Accredited Professional certifications, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving HVAC, plumbing, and fire protection systems.

PlumbingForensic ConsultingEngineering Design+6
Premises Liability
DM

David M. Diamond, Ph.D.

Architect and Forensic Expert

Tampa, Florida30+ years+ yrs8.3

David M. Diamond, Ph.D. is a neuroscience and psychology expert specializing in memory, stress, and PTSD litigation. With a career encompassing cognitive neuroscience, traumatic brain injury research, and human factors analysis, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating memory failures, assessing stress impacts on cognitive function, and evaluating whether PTSD diagnostic measures meet scientific standards. Dr. Diamond has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to traumatic memory processing, PTSD, and cognitive treatment efficacy. His Ph.D. in Biology, along with his fellowship in the American Institute of Stress, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving memory and stress-related conditions.

Construction DefectsLand Use Control LawAmericans with Disabilities Act+54
Residential Construction
BH

Brian Hansen

Construction & Engineering Consultant

Goffstown, NH30+ years+ yrs8.3

Brian Hansen is a construction and engineering consultant specializing in residential construction and structural engineering litigation. With a career spanning building contracting, structural design, and hazardous materials remediation, he brings a multifaceted perspective to his litigation work. His work centers on investigating construction defects, assessing structural integrity, and evaluating compliance with building codes. Mr. Hansen has been retained in numerous expert witness and consulting engagements throughout New England, involving residential construction defects and structural engineering disputes. His BA in Psychology, along with a Massachusetts Unlimited Construction Supervisor's License (CS-113267), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving construction best practices and building code violations.

Structural EngineeringFramingCarpentry+22
Construction Defects
DA

David A. Doddridge

Expert Witness

Worcester, MA30 years+ yrs8.2

David A. Doddridge is a construction defects and safety expert specializing in litigation support for construction-related disputes. With a career encompassing diverse roles in construction management, building inspection, and safety compliance, he brings a practical, hands-on perspective to his litigation work. His work centers on investigating construction defects, assessing compliance with building codes, and evaluating construction site safety. Mr. Doddridge has been retained in numerous expert witness and consulting engagements across the Northeastern United States, involving construction defects, slip and fall cases, and building code compliance. His Unrestricted Construction Supervisor’s License in Massachusetts, along with certifications such as Certified Walkway Auditor Safety Specialist and Certified Building Envelope Inspector, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving construction safety and standards.

Slip Trip & Fall
Appraisal & Valuation
RT

Roy Theophilus Bent, Jr.

IACP Certified Auto Appraiser / Court Expert Witness / Appraisal Clause UMPIRE

Baytown, Texas25 years+ yrs8.2

Roy Theophilus Bent, Jr., IACP Certified Auto Appraiser, Court Expert Witness, Appraisal Clause UMPIRE is an auto appraisal and valuation expert specializing in diminished value, total loss claims, and stolen vehicles. With a career encompassing extensive experience in accident reconstruction, defective products, and federal lemon laws, he brings a comprehensive framework to litigation work. His work centers on investigating repair negligence, assessing safety recalls, and evaluating whether engines failures have occurred. Mr. Bent has been retained in numerous expert witness and consulting engagements across Texas, involving classic cars, custom vehicles, and heavy trucks. His certifications as a New & Used Passenger Car & Truck Valuation Expert — J.D. Power and Associates / NADA, and as a Texas Licensed Arbitrator & Mediator, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving vehicle market data analysis and insurance appraisal clauses.

Accident ReconstructionDiminished ValueTotal Loss Claims+31
Vehicular Accident Reconstruction
MM

MARTIN M BALABAN, PhD, PE

Consulting Engineer

Encino, CA30+ years+ yrs8.2

MARTIN M BALABAN, PhD, PE is a consulting engineer expert specializing in vehicular accident reconstruction and occupant biomechanics. With a career spanning vehicular system analysis, premises liability, and industrial safety, he brings a multidisciplinary engineering perspective to litigation work. His work centers on investigating vehicular collisions, assessing occupant biomechanics, and evaluating whether vehicular system defects contributed to incidents. Mr. Balaban has been retained in over 2000 expert witness and consulting engagements across the United States, involving vehicular accident reconstruction, premises liability, and product liability cases. His PhD in Mechanical Engineering from the University of California at Berkeley, along with his Licensed Safety Engineer certification by the State of California, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving vehicular accidents and safety engineering.

Occupant BiomechanicsVehicular System or Component DefectsPremises Liability+6
Accident Reconstruction
TA

Tarek A. Omar, D.Sc.

Mechanical and Structural Engineering Leader

McLean, VA30+ years+ yrs8.2

Tarek A. Omar, D.Sc. is a Mechanical and Structural Engineering expert specializing in accident reconstruction and forensic engineering. With a career encompassing mechanical design, structural analysis, and transportation safety, he brings a multidisciplinary approach to complex litigation matters. His work centers on investigating accident causation, assessing vehicle crashworthiness, and evaluating whether safety standards were met. Dr. Omar has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to mechanical engineering, transportation safety, and physical security. His Doctorate of Science in Mechanical Engineering from George Washington University, along with his extensive experience in Finite Element Analysis (FEA) and forensic engineering, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving vehicle dynamics, crashworthiness, and structural integrity.

Mechanical EngineeringMechanical DesignStructural Analysis+6
Construction
DR

David R. Decker

Crane and Rigging Management, Training, Development and Delivery, Expert Witness/Litigation Support

Wilmington, NC45 years+ yrs8.2

David R. Decker is a crane and rigging management expert specializing in litigation support for crane and rigging accidents. With a career spanning crane operations, training development, and policy implementation, he brings a strategic framework to analyzing compliance and safety in crane-related incidents. His work centers on investigating crane and rigging failures, assessing training program efficacy, and evaluating whether industry standards were met. Mr. Decker has been retained in numerous expert witness and consulting engagements across the United States, involving construction accidents, industrial incidents, and military crane operations. His Basic Electronics education from the Philadelphia Naval Shipyard, along with certifications such as NCCCO Certified Rigger and NCCCO Accredited Rigger Practical Examiner, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving crane and rigging operations.

Equipment & MachineryCrane and Rigging ManagementTraining Development
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