Witnessly
Expert Witness Directory

Find the Right Expert for Every Case

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

Showing 271–288 of 531 experts

Clear filters
Software Engineering

Steve Ditty

Software Expert Witness - ERP Litigation

Denver, CO39 years+ yrs★ 8.0

Steve Ditty, PMP is an ERP litigation expert specializing in software failure analysis and expert testimony. With a career spanning software engineering, information technology, and project management, he brings a comprehensive framework to litigation work involving complex ERP systems. His work centers on investigating software failures, assessing ERP implementation disputes, and evaluating whether contractual obligations were met. Mr. Ditty has been retained in numerous expert witness and consulting engagements across North America, involving ERP software litigation and IT contract disputes. His B.S. in Computer Science/Management Information Systems, along with certifications such as Project Management Professional (PMP) and SAP Core ABAP Programming, 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 enterprise software implementation.

Information TechnologyERP Implementation ConsultingSoftware Expert Witness & Testimony+5
Engineering

Frank Allen Comer

Professional Engineer, Principal Engineer

Kansas City, MO41 years+ yrs★ 8.0

Frank Allen Comer, PE is a forensic engineering expert specializing in civil, structural, geotechnical, and environmental engineering disputes. With a career spanning engineering design, construction oversight, and forensic investigations, he brings a multidisciplinary perspective to litigation work. His work centers on investigating structural failures, assessing construction defects, and evaluating whether building code violations have occurred. Mr. Comer has been retained in numerous expert witness and consulting engagements across the Midwest, involving cases related to building inspections, construction defects, and failure analysis. His Bachelor of Science in Civil Engineering, along with certifications such as OSHA 40-Hour HAZWOPR and ACI Concrete Testing, 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.

Construction EngineeringCivil EngineeringStructural Engineering+2
Forensic Structural Engineering

Joelle Nelson, PE

Principal, Forensics

New York, New York★ 8.0

Joelle Nelson, PE is a forensic structural engineering expert specializing in construction defect analysis and catastrophic failure investigation. With a career spanning design, renovation, construction, and forensic investigations of complex structures, she brings a multifaceted perspective to litigation work. Her work centers on investigating structural collapses, assessing building code compliance, and evaluating whether construction defects contributed to failures. Ms. Nelson has been retained in numerous expert witness and consulting engagements across the United States, involving construction defect, insurance coverage, and adjacent construction disputes. Her MS in Civil Engineering from Columbia University, along with certifications such as OSHA 30 and NYC Qualified Parking Structure Inspector, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural failures and code compliance.

Construction Defect AnalysisCatastrophic Failure InvestigationBuilding Code Compliance+3
Electrical Engineering

Rafael J. Betancourt

CMOS Silicon Architect | AMS System & Verification Expert

Silicon Valley, CA36 years+ yrs★ 7.9

Rafael J. Betancourt, Engineers Degree in Electrical Engineering, MSEE, BSEE is a CMOS Silicon Architect expert specializing in AMS design and verification litigation. With a career encompassing electrical engineering, electronics, and semiconductor design, he brings a comprehensive understanding of complex integrated circuit development to his litigation work. His work centers on investigating silicon architecture, assessing AMS verification processes, and evaluating whether industry standards in CMOS IC design have been met. Mr. Betancourt has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to semiconductor design, AMS systems, and intellectual property disputes. His Engineers Degree in Electrical Engineering from Stanford University, along with his MSEE and BSEE, 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 analog mixed-signal design and verification.

ElectronicsAMS DesignCMOS IC Design+1
Quantum / Quantity Surveying

Michael Gallucci LLM MRICS MCIArb MAE

Quantity Surveying, Project Management and Dispute Resolution Expert Witness

London★ 7.9

Michael Gallucci LLM MRICS MCIArb MAE is a Quantity Surveying and Dispute Resolution expert specializing in construction industry disputes. With a career encompassing arbitration, negotiation, consultancy, and project management, he brings a strategic framework to his litigation work. His work centers on investigating contractual breaches, assessing quantum and delay claims, and evaluating whether industry standards have been met. Mr. Gallucci has been retained in numerous expert witness and consulting engagements across the UK, Ireland, Cyprus, Kazakhstan, Saudi Arabia, Qatar, and the UAE, involving construction, civil engineering, and property disputes. His LLM MSc in Construction Law & International Arbitration, along with his RICS Accredited Mediator 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 and responsibility in disputes involving quantum and delay analysis.

Delay and Planning AnalysisCivil EngineeringClaims Management+3
Electrical Engineering

Stephen Bennett BEng (Hons) CEng MIET FS Eng (TÜV Rheinland)

Principal Consultant

Ashby de la Zouch, Leicestershire★ 7.9

Stephen Bennett BEng (Hons) CEng MIET FS Eng (TÜV Rheinland) is an electrical engineering expert specializing in machinery safety compliance and functional safety. With a career encompassing electrical design, control systems, and project management, he brings a comprehensive understanding of safety standards and regulatory compliance to his litigation work. His work centers on investigating electrical failures, assessing machinery safety compliance, and evaluating whether industry standards have been met. Mr. Bennett has been retained in numerous expert witness and consulting engagements across the UK, Europe, and the USA, involving electrical fires, machinery safety, and industrial compliance cases. His BEng in Electronic Systems and Control Engineering, along with his TUV certified functional safety engineer designation, 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 electrical engineering and machinery safety.

Machinery SafetyFunctional SafetyProject Management+3
Mechanical Engineering

Dr Richard Woodward

Associate

Solihull★ 7.9

Dr Richard Woodward, EngD, MEng is a mechanical engineering expert specializing in building and vehicle fires. With a career encompassing material testing, failure mode identification, and composite materials, he brings a comprehensive understanding of how these elements interact in fire scenarios. His work centers on investigating mechanical failures, assessing fire origins, and evaluating whether material properties contributed to the incident. Dr Woodward has been retained in numerous expert witness and consulting engagements across the UK, involving cases related to plant and machinery fires, white goods appliance fires, and construction injuries. His EngD in Engineering, along with his MEng in Mechanical Engineering with Business Management, 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 mechanical failures and fire incidents.

Building FiresVehicle FiresMaterial Testing+3
Water Engineering

John Shaw

P.E.

★ 7.9

Provide Civil Engineering including design, planning and consulting on construction operations and maintenance, regulatory compliance and management services specific to the water and wastewater industry and consulting and expert witness testimony for attorneys. Have lived and/or worked in many of the United States as well as Jamaica, Mexico, Scotland, England, Spain, France, Italy, Honduras, Columbia, Belarus and Canada.

Wastewater EngineeringHydraulic EngineeringForensic Engineering
Integrated project management

Michael D. Felt

PE Energy Specialists

Houston, TX★ 7.9

Michael D. Felt, PE is an energy industry expert specializing in forensic engineering services and litigation support in complex technical cases. With a career spanning integrated project management, international project development, engineering design, construction, start-up, and operations, he brings a multifaceted perspective to his litigation work. His work centers on investigating engineering design deviations, assessing project management practices, and evaluating operational compliance in energy sector disputes. Mr. Felt has been retained in numerous expert witness and consulting engagements across both domestic and international jurisdictions, involving cases related to petroleum transportation systems, marine loading facilities, and SCADA systems. His Bachelor of Science in Electrical Engineering with Honors, along with post-graduate studies in Expert Witness and Forensics, 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 energy project management and operations.

International project developmentEngineering designConstruction+1
Engineering

John H. Hatcher

Senior Principal

Stafford, TX40+ years+ yrs★ 7.9

John H. Hatcher, MBA, PE, BCxP, CPP, LEED AP, WIRED SCORE AP, SMARTSCORE AP is an engineering and security expert specializing in HVAC building automation systems and physical security. With a career spanning consulting in HVAC controls, risk analysis, and intelligent building systems, he brings a comprehensive framework to litigation work. His work centers on investigating system failures, assessing security vulnerabilities, and evaluating whether industry standards have been met. Mr. Hatcher has been retained in numerous expert witness and consulting engagements across the United States, involving complex engineering disputes, security system failures, and building automation cases. His Bachelor of Science in Mechanical Engineering, along with certifications such as Certified Protection Professional (CPP) and Building Commissioning Professional (BCxP), 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 systems, security protocols, and building automation technologies.

SecurityHVAC building automation systemsPhysical security+2
Marine Warranty Surveys

Mr. John Halcrow

Marine Surveyor & Consultant

Hamnavoe, Shetland Islands★ 7.9

Mr. John Halcrow is a Marine Surveyor & Consultant expert specializing in marine warranty surveys and casualty and collision investigation. With extensive experience in marine surveying, offshore support, and marine engineering, he brings a comprehensive perspective to litigation work involving complex maritime issues. His work centers on investigating marine casualties, assessing vessel assurance, and evaluating whether engineering standards have been met. Mr. Halcrow has been retained in numerous expert witness and consulting engagements across the marine and offshore sectors, involving vessel assurance and marine construction disputes. His Advanced Diploma in Tanker Chartering, along with certifications as an Accredited Mediator — CEDR and CMID, AVI 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 causation in disputes involving marine operations and engineering compliance.

Offshore Support SectorCasualty and Collision InvestigationVessel Assurance+1
Engineering and Construction

Craig Koehn

Principal

Houston, Texas30+ years+ yrs★ 7.9

Craig Koehn, P.E. is an engineering and construction expert specializing in mechanical, electrical, and fire protection systems investigations. With a career spanning engineering design, fire investigations, and forensic engineering, he brings a multidisciplinary approach to analyzing complex engineering failures and compliance issues. His work centers on investigating mechanical equipment failures, assessing fire protection systems, and evaluating whether construction practices adhere to industry standards. Mr. Koehn has been retained in numerous expert witness and consulting engagements across Texas and beyond, involving fire investigations, vehicular accident reconstructions, and environmental investigations. His M.S. in Industrial Engineering, along with his certification as a Certified Fire Investigator by Peter Vallas Associates, 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 fire protection systems and mechanical failures.

Vehicular Black Box and Air Bag InvestigationsHuman Factors Aspects of InvestigationMold Origin and Cause Testing and Investigation+19
Oil and Gas

Nick Cleveland

Independent Petroleum Consultant, Sr. Drilling Engineer/Project Manager

Fort Worth, TX20+ years+ yrs★ 7.9

Nick Cleveland is a petroleum engineering expert specializing in drilling, completions, and production across major U.S. basins. With a career spanning well design, horizontal and directional drilling, and AFE preparation, he brings a strategic operational framework to litigation work. His work centers on investigating wellbore construction, assessing drilling efficiencies, and evaluating whether operational standards were met. Mr. Cleveland has been retained in numerous expert witness and consulting engagements across the United States, involving oil and gas drilling operations and well design disputes. His B.S. in Engineering Technology from Texas A&M University, along with his Well Control 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 responsibility in disputes involving drilling operations and wellbore integrity.

Petroleum EngineeringWell Design & EngineeringHorizontal & Directional Drilling+6
Mechanical Engineering

Victor Alan Werner

PE, P.Eng, PMP

Renton, Washington57 years+ yrs★ 7.9

Victor Alan Werner, PE, P.Eng, PMP is a mechanical engineering expert specializing in industrial process systems and equipment litigation. With a career spanning forensic analysis, industrial design, and energy modeling, he brings a robust technical framework to his litigation work. His work centers on investigating industrial process failures, assessing equipment design compliance, and evaluating whether operational deviations have occurred. Mr. Werner has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving chemical process plants, pulp and paper mills, and food processing facilities. His BS in Mechanical Engineering from Oregon State University, along with his PMP 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 mechanical systems and processes.

Equipment & Machinery
Telecommunications

Istvan Jonyer, Ph.D.

Computer Scientist

Los Angeles, California22 years+ yrs★ 7.9

Istvan Jonyer, Ph.D. is a computer science and engineering expert specializing in intellectual property litigation, including patent infringement and trade secret misappropriation. With a career spanning artificial intelligence, networking, telecommunications, and consumer electronics, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating patent validity, assessing breach of contract claims, and evaluating whether technology implementations infringe on existing intellectual property. Dr. Jonyer has been retained in numerous expert witness and consulting engagements across the United States, involving cases with leading technology companies such as Google, Apple, and Netflix. His Ph.D. in Computer Science and Engineering, along with his MBA in Venture Capital and Entrepreneurship, 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 complex technological systems.

Software EngineeringMachine LearningArtificial Intelligence+3
Electrical Engineering

Jack D Matthews

Electrical Engineering/Energy Expert Witness

Acworth, Georgia33 years+ yrs★ 7.9

Jack D Matthews, BSEE, MBA is an electrical engineering and energy expert specializing in electrical accidents and utility damage claims. With a career spanning electrical engineering, energy systems, and protective relaying, he brings a comprehensive framework to litigation work involving complex electrical systems. His work centers on investigating electrical accidents, assessing NEC compliance, and evaluating whether equipment damage resulted from construction defects. Mr. Matthews has been retained in numerous expert witness and consulting engagements across the United States, involving utility damage claims, electrical accidents, and construction defects. His BSEE in Electrical Engineering, along with his MBA in Business Administration and status as a registered professional engineer in 25 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 electrical analysis and power quality investigation.

Energy
Corrosion and Material Testing

Zhicao Feng, Ph.D., P.E.

Senior Principal Engineer

★ 7.8

Zhicao Feng, Ph.D., P.E. is a pipeline integrity and corrosion control expert specializing in failure analysis and risk management. With a career encompassing advanced material characterization, non-destructive testing, and corrosion control methods, he brings a multidisciplinary approach to evaluating pipeline safety and reliability. His work centers on investigating pipeline failures, assessing corrosion risks, and evaluating whether protective measures meet industry standards. Mr. Feng has been retained in numerous expert witness and consulting engagements across the United States, involving pipeline integrity management, corrosion assessment, and material failure analysis. His PhD in Material Science & Engineering, along with certifications such as Cathodic Protection Level 4 and Senior Internal Corrosion Technologist, 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 pipeline corrosion and integrity issues.

Coating EvaluationPipeline Integrity ManagementPipeline Risk Assessment+11
Civil Engineering

MEGAN E. ABADIE, P.E.

Engineer: Civil and Environmental

Concord, California★ 7.8

MEGAN E. ABADIE, P.E. is a civil and environmental engineering expert specializing in forensic investigations related to structural and facility damage. With a career spanning civil engineering, hydrology, and environmental compliance, she brings a comprehensive framework to litigation work involving complex infrastructure and environmental systems. Her work centers on investigating root causes of structural damage, assessing the impact of environmental factors on infrastructure, and evaluating compliance with engineering standards. Ms. Abadie has been retained in numerous expert witness and consulting engagements across the western United States, involving cases of construction defects, sewer system failures, and water intrusion issues. Her MS in Civil and Environmental Engineering from San Jose State University, along with her NASSCO Pipeline, Lateral, and Manhole Assessment Certification, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving flooding, sewer systems, and environmental compliance.

Hydrology
Talk to us about your case
Find the right expert with greater clarity, confidence, and transparency.
© 2026 Witnessly. All rights reserved.