Expert Witness Directory

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Browse our verified directory of expert witnesses spanning medicine, engineering, finance, and dozens of specialized fields.

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Showing 109–126 of 1,756 experts

Healthcare Data
MF

Michael F. Arrigo

Managing Partner

Newport Beach, CaliforniaOver 30 years+ yrs★ 9.0

Michael F. Arrigo, Bachelor of Science, CPMA, CADS is a healthcare data and regulatory compliance expert specializing in electronic health records and Medicare fraud litigation. With a career spanning economic consulting, medical billing, and HIPAA privacy, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating regulatory compliance, assessing electronic medical record systems, and evaluating whether healthcare billing practices meet industry standards. Mr. Arrigo has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to healthcare data, regulatory compliance, and medical billing fraud. His Bachelor of Science in Business Administration, along with certifications in Clinical Bioethics and Risk Management, Biomedical Informatics, and HIPAA Privacy and Security Rules, 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 electronic health records and Medicare compliance.

Regulatory ComplianceEconomic ConsultingMedical Billing+1
Neurosurgery
JH

Jeffrey H. Oppenheimer

Board-certified Neurosurgeon

Boca Raton, FL32 years+ yrs★ 9.0

Jeffrey H. Oppenheimer, MD, MS, FABNS, CIME is a Neurosurgery expert specializing in medical malpractice and wrongful death litigation. With a career encompassing diverse roles in neurosurgery, spine surgery, and brain injury treatment, he brings a multifaceted perspective to his litigation work. His work centers on investigating surgical outcomes, assessing standard of care deviations, and evaluating causation in complex medical cases. Dr. Oppenheimer has been retained in numerous expert witness and consulting engagements across the United States, involving cases of medical malpractice, brain injury, and spine surgery. His MD in Medicine from Georgetown University School of Medicine, along with certifications such as Board Certified Neurosurgeon and Certified Independent Medical 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 standard of care in disputes involving neurosurgical procedures.

Spine Surgery
Blasting and Explosives
KE

Kurt E. Gleason

Explosive Engineering, Mining & Construction Blasting Expert

Ramsey, IN43 years+ yrs★ 9.0

Kurt E. Gleason is an explosive engineering and blasting expert specializing in mining and construction blasting litigation. With a career spanning surface, underground, and underwater blasting, he brings a comprehensive understanding of controlled blasting techniques and their application in complex environments to his litigation work. His work centers on investigating blasting-related claims, assessing the impact of transient vibration and flyrock, and evaluating whether industry standards were met in blasting operations. Mr. Gleason has been retained in numerous expert witness and consulting engagements across states including Alabama, California, and New York, involving commercial blasting disputes, subrogation claims, and damage-related actions. His BS in Construction Engineering (Civil) from Purdue University, along with certifications such as the MSHA Miner ID and Seismograph Operation Certification, 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 blasting and explosives.

MiningSurface blastingUnderground blasting+10
Packaging
RP

Randy Phares

Packaging Expert

Surprise, AZ30+ years+ yrs★ 9.0

Randy Phares is a packaging expert specializing in products liability and transportation litigation. With a career spanning packaging design, procurement, and lean manufacturing, he brings a comprehensive understanding of industry standards and practices to his litigation work. His work centers on investigating packaging failures, assessing compliance with safety regulations, and evaluating whether industry standards were met in packaging-related disputes. Mr. Phares has been retained in numerous expert witness and consulting engagements across the United States, involving cases in packaging, logistics, and manufacturing industries. His Bachelor of Science in Business Administration, along with certifications such as Certified Quality Manager (CQM) and Certified Packaging Lean Practitioner (CPLP), 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 packaging and transportation.

ProcurementShippingLean Manufacturing+6
Accounting/Auditing
PH

Paul Habibi

CPA/ABV/CFF

Los Angeles, CA28 years+ yrs★ 9.0

Paul Habibi, CPA/ABV/CFF is a financial analysis and economic damages expert specializing in litigation involving complex financial disputes. With a career encompassing diverse roles in academia, real estate investment, and financial advisory, he brings a multifaceted perspective to his litigation work. His work centers on investigating financial discrepancies, assessing economic damages, and evaluating whether industry standards have been met. Mr. Habibi has been retained in numerous expert witness and consulting engagements across the United States, involving cases in financial analysis, economic damages, accounting, valuation, and industry custom and practice. His MBA with Highest Distinction in Business from the University of Michigan Ross School of Business, along with certifications as a Certified Public Accountant (CPA), Accredited in Business Valuation (ABV), and Certified in Financial Forensics (CFF), 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 financial analysis and economic damages.

BankingCommercial and Residential Real EstateInverse Condemnation+20
Failure Analysis
FC

Frederick C. Anderson

Materials Science Engineer

Avon, Connecticut43 years+ yrs★ 9.0

Frederick C. Anderson, PE is a materials science engineering expert specializing in materials failure analysis and forensic engineering. With a career spanning nuclear engineering, power plant operations, and forensic investigations, he brings a multidisciplinary approach to his litigation work. His work centers on investigating materials failures, assessing structural integrity, and evaluating whether industry standards have been met. Mr. Anderson has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, industrial accidents, and power plant operations. His Master of Science in Metallurgy from Georgia Institute of Technology, along with his Professional Engineer licenses in Virginia and Connecticut, 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 corrosion, stress analysis, and fitness for service.

Products LiabilityMaterials Failure AnalysisStress Analysis+6
Metallurgy
ES

Edward S. George

C.W.I., P.E.

St. Augustine, FL38 years+ yrs★ 9.0

Edward S. George, C.W.I., P.E. is a metallurgical and materials engineering expert specializing in forensic engineering and materials failure analysis. With a career spanning forensic science, quality assurance, and coatings inspection, he brings a multidisciplinary perspective to litigation work. His work centers on investigating material failures, assessing compliance with industry standards, and evaluating whether construction defects have occurred. Mr. George has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, construction defects, and industrial material failures. His M.S. in Materials Science and Engineering, along with certifications as a Certified Welding Inspector and Certified AMPP Coating Inspector Level 1, 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 metallurgical failures and material science issues.

Failure AnalysisMaterials ScienceForensic Engineering
1983 Litigation
DT

David T. Sweeney

Expert Witness & Consultant

Seattle, WA34 years+ yrs★ 9.0

David T. Sweeney is a police practices and procedures expert specializing in use of force, crowd control, and police pursuits. With a career spanning police leadership, training, and internal investigations, he brings a comprehensive understanding of law enforcement operations to his litigation work. His work centers on investigating use of force incidents, assessing compliance with legal standards, and evaluating whether police procedures were properly followed. Mr. Sweeney has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to police procedures, use of force, and crowd control. His Master of Public Policy from Oregon State University, along with his Certificate from the School of Police Staff and Command at Northwestern 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 standard of care in disputes involving law enforcement practices.

Criminal LawCrowd ControlDeadly/Excessive Force+15
Cybersecurity and Computers
DE

Dr. Eric Cole, DPS

Cybersecurity, Networking, Computer, and IT Expert

Ashburn, VA34 years+ yrs★ 9.0

Dr. Eric Cole, DPS is a cybersecurity and IT expert specializing in litigation involving data breaches, trade secrets, and intellectual property disputes. With a career spanning cybersecurity strategy, network architecture, and incident response, he brings a strategic and technical framework to his litigation work. His work centers on investigating data breaches, assessing cybersecurity protocols, and evaluating whether industry standards were met. Dr. Cole has been retained in numerous expert witness and consulting engagements across the United States, involving cases of apportionment, infringement, and data security. His Doctorate in Professional Studies from Pace University, along with his Certified Information Systems Security Professional (CISSP) certification, 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 cybersecurity and IT systems.

CybersecurityNetworkingOperating Systems+3
Construction
JS

Joe Scerbo

Expert Witness + Litigation Support & Construction Management Advisor

Danville, CA36 years+ yrs★ 9.0

Joe Scerbo is a construction and energy expert specializing in construction defect analysis and litigation support. With a career spanning construction management, renewable energy systems, and forensic analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating system failures, assessing construction defects, and evaluating compliance with industry standards. Mr. Scerbo has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases, renewable energy projects, and utility-scale infrastructure. His A.O.S. Electrical Construction & Maintenance Degree, along with certifications such as Air Cooled Generator Certified and Liquid Cooled Generator Certified, 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 building envelope, mechanical, electrical, and plumbing systems.

EnergyBuilding EnvelopeMechanical Systems+4
Human Factors and Engineering
KA

Kevin A. Rider

PhD, PE, CPE

Delaware, OH24 years+ yrs★ 9.0

Kevin A. Rider, PhD, PE, CPE is a forensic human factors expert specializing in litigation support for cases involving motor vehicle crashes, slips, trips, and falls, and workplace incidents. With a career spanning human factors, ergonomics, and engineering, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating motor vehicle accidents, assessing the adequacy of warnings and product designs, and evaluating whether workplace safety standards were met. Mr. Rider has been retained in numerous expert witness and consulting engagements across the United States, involving motor vehicle accidents, workplace safety, and premises liability. His Ph.D. in Industrial & Operations Engineering (Human Factors), along with certifications as a Certified Professional Ergonomist and Professional Engineer, 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 human factors and ergonomics.

Human FactorsErgonomics
Maritime
AA

Ayman Alakkawi

Consulting Marine Engineer & Safety Expert

Hoboken, New Jersey23 years+ yrs★ 9.0

Ayman Alakkawi, Chief Marine Engineer, Chartered Marine Engineer (CEng, UK) is a marine engineering and safety expert specializing in vessel integrity, regulatory compliance, and accident investigation. With a career that spans shipboard engineering, academic leadership, and regulatory consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating vessel casualties, assessing regulatory compliance, and evaluating engineering failures. Mr. Alakkawi has been retained in numerous expert witness and consulting engagements across North America and internationally, involving complex technical disputes in the maritime, offshore oil & gas, and renewable energy sectors. His MSc in Engineering & Management in Marine Engineering, along with certifications such as ISM/ISPS/MLC Lead Auditor and IMO Accident 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 marine engineering and vessel operations.

EngineeringMarine Surveys and AuditsMarine Assurance & DP+6
Meteorology
MD

Mark D. McGinnis

Certified Consulting Meteorologist

Waukesha, WIOver 25 years+ yrs★ 9.0

Mark D. McGinnis, CCM, CBM is a meteorology expert specializing in weather-related litigation. With a career spanning broadcast meteorology, forensic weather analysis, and weather hazard planning, he brings a multifaceted perspective to litigation work. His work centers on investigating meteorological conditions, assessing weather impacts on safety, and evaluating whether weather events contributed to incidents. Mr. McGinnis has been retained in numerous expert witness and consulting engagements across the Midwest, involving cases related to weather forecasting, broadcasting, and slip and fall incidents. His Bachelor of Science in Atmospheric Sciences, along with certifications as a Certified Consulting Meteorologist and Certified Broadcast Meteorologist, 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 meteorological conditions.

Slip Trip & FallWeather ForecastingBroadcasting+1
Speech-Language Pathology
KM

Karen M. Sheffler

Board Certified Specialist in Swallowing and Swallowing Disorders

Boston, MA12 years+ yrs★ 9.0

Karen M. Sheffler, MS, CCC-SLP, BCS-S is a swallowing and swallowing disorders expert specializing in medical speech-language pathology litigation. With a career encompassing diverse roles in acute care settings and educational initiatives, she brings a multidisciplinary perspective to her litigation work. Her work centers on investigating dysphagia-related incidents, assessing compliance with swallowing safety protocols, and evaluating whether standard of care was met in cases involving swallowing disorders. Ms. Sheffler has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to dysphagia in medical speech-language pathology. Her MS in Communicative Disorders, along with her Board Certified Specialist in Swallowing and Swallowing Disorders and ASHA Certificate of Clinical Competence, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving swallowing disorders and related safety issues.

GeriatricsSwallowing DisordersDysphagia
Condominiums
CR

Christopher R. Lanni

CPP, CMCA, AMS

Hudson, Massachusetts39 years+ yrs★ 9.0

Christopher R. Lanni CPP, CMCA, AMS is a security and risk management expert specializing in premise liability and residential security assessments. With a career spanning security consulting, residential risk advising, and security technology implementation, he brings a strategic approach to evaluating security measures and risk mitigation strategies. His work centers on investigating security breaches, assessing risk management protocols, and evaluating whether security technologies meet industry standards. Mr. Lanni has been retained in numerous expert witness and consulting engagements across the United States, involving residential communities, commercial properties, and educational facilities. His Bachelor of Science in Criminal Justice with a Concentration in Private Security, along with certifications as a Certified Protection Professional, Certified Manager of Community Associations, and Association Management Specialist, 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 security management and risk assessment.

TechnologyResidentialApartments+8
Computers
JH

John H. Horst

CISSP®-ISSAP®

Seymour, TN28 years+ yrs★ 9.0

John H. Horst, CISSP® -ISSAP® is a cybersecurity expert specializing in secure software architectures and compliance consultation. With a career spanning software development, systems integration, and cybersecurity frameworks, he brings a comprehensive understanding of how emerging technologies intersect with regulatory standards. His work centers on investigating cybersecurity breaches, assessing compliance with major standards like NIST and ISO 27001, and evaluating whether secure coding practices have been adhered to. Mr. Horst has been retained in numerous expert witness and consulting engagements across State and Federal jurisdictions, involving cases related to cybersecurity breaches, data privacy, and compliance with regulatory frameworks. His Master of Divinity (M.Div.) from Bethel University, along with his Certified Information Security Systems Professional (CISSP®) and Information Security Software Architectures (ISSAP®) 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 responsibility in disputes involving cybersecurity compliance and data breaches.

CybersecuritySoftware DevelopmentSecure Software Architectures+1
Manufacturing
RC

Rosemary Coates

President of Blue Silk Consulting

Los Gatos, CA40 years+ yrs★ 9.0

Rosemary Coates, MBA is a Supply Chain Management expert specializing in litigation involving manufacturing, procurement, and ERP systems implementation. With a career spanning global supply chain operations, project management, and Chinese manufacturing, she brings a strategic international perspective to her litigation work. Her work centers on investigating sourcing practices, assessing logistics and distribution compliance, and evaluating whether ERP implementation failures have occurred. Ms. Coates has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to global manufacturing operations, counterfeit imports, and supply chain disruptions. Her MBA in Finance and Operations Management, along with her credentials as a Licensed United States Customs Broker and Credentialed Adjunct Professor of Business, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving global supply chain management and Chinese manufacturing practices.

Procurement/PurchasingSupply Chain ManagementProject Management+1
Construction Defects
AS

Andrew Schrader

Founder

St. Petersburg, FL18 years+ yrs★ 9.0

Andrew Schrader, PE, SI, CGC is a structural engineering expert specializing in construction defects and forensic engineering. With a career spanning urban search and rescue, building envelope analysis, and forensic investigations, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural failures, assessing building code compliance, and evaluating whether construction practices meet industry standards. Mr. Schrader has been retained in numerous expert witness and consulting engagements across Florida, involving cases related to structural engineering, construction defects, and urban search and rescue operations. His Master's Degree in Civil-Structural Engineering, along with certifications such as Florida Board-Recognized Structural Engineer (FRSE) and Certified General Contractor (CGC), 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 integrity and construction practices.

Structural EngineeringForensic EngineeringUrban Search and Rescue
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