Expert Witness Directory

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Oil and Gas
MR

Mark R. Malone

Operations Leader, Technical Engineer, Business Professional

Oklahoma City, OK35 years+ yrs★ 8.3

Mark R. Malone, BS is an oil and gas engineering expert specializing in completions, hydraulic fracturing, and stimulation operations. With a career spanning technical engineering, operations leadership, and business management, he brings a strategic growth and capital efficiency framework to his litigation work. His work centers on investigating operational safety practices, assessing engineering project management, and evaluating whether industry standards in drilling and completions were met. Mr. Malone has been retained in numerous expert witness and consulting engagements across the United States, involving complex oil and gas litigation cases. His BS in Agricultural Engineering, along with his extensive industry affiliations, 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 oil and gas operations and engineering practices.

Engineering
Safety
JB

Jay Beam

Expert Witness

Edmond, OK23 years+ yrs★ 8.3

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
Engineering
JD

James D. Wamble

P.E., R.L.S.

Brentwood, TN47 years+ yrs★ 8.3

James D. Wamble, P.E., R.L.S. is a civil engineering and land surveying expert specializing in land use planning and real estate development disputes. With a career spanning civil engineering design, land surveying, and land planning, he brings a multidisciplinary framework to litigation work. His work centers on investigating boundary disputes, assessing land use compliance, and evaluating whether engineering standards have been met. Mr. Wamble has been retained in numerous expert witness and consulting engagements across Tennessee, involving cases related to land condemnation, eminent domain, and real estate development. His Bachelor of Science Degree in Civil Engineering, along with his certifications as a Professional Engineer and Registered Land Surveyor, 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 site design, drainage, and zoning issues.

Land SurveyingCivil EngineeringLand Planning
Automotive Engineering
IK

Ioannis Kanellakopoulos

Ph.D.

Redwood City, CA30+ years+ yrs★ 8.3

Ioannis Kanellakopoulos, Ph.D. is a technology and intellectual property expert specializing in civil litigation cases ranging from patent infringement to personal injury. With a career spanning advanced control design, telecommunications, and automotive systems, he brings a multifaceted technical perspective to his litigation work. His work centers on investigating patent validity, assessing technology compliance, and evaluating whether industry standards have been met. Mr. Kanellakopoulos has been retained in numerous expert witness and consulting engagements across the United States, involving telecommunications, automotive systems, and digital signal processing. His Ph.D. in Electrical Engineering from the University of Illinois at Urbana-Champaign, along with his designation as an IEEE Fellow, 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.

TelecommunicationsCommunicationsNetworking+7
Software Engineering
BW

Bob Weiman

President, Oracle Engineering LLC

Sudbury, MA43 years+ yrs★ 8.3

Bob Weiman is a software engineering and embedded systems expert specializing in litigation involving medical devices, consumer products, and industrial control systems. With a career spanning microprocessor-based product design, medical software, and intellectual property, he brings a multidisciplinary framework to his litigation work. His work centers on investigating software malfunctions, assessing compliance with industry standards, and evaluating whether engineering practices meet regulatory requirements. Mr. Weiman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to medical devices, patent infringement, and trade secrets. His BS in Computer Engineering from Boston University, along with his status as a Senior Member of the Institute of Electrical and Electronic Engineers (IEEE), 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 software engineering and embedded systems.

Medical DevicesMicroprocessor Based Product DesignEmbedded Systems
Failure Analysis
KG

Karym G. Kinnibrugh, Ph.D.

Principal Consultant

Houston, TX15 years+ yrs★ 8.3

Scott M. Drouin, Ph.D. is a toxicology expert specializing in cases involving respiratory diseases related to airborne exposure to environmental substances. With a career encompassing toxicology, immunology, and lung physiology, he brings a multidisciplinary approach to litigation work, particularly in assessing the risk of respiratory illnesses from environmental contaminants. His work centers on investigating exposure to drugs and alcohol, assessing the risk of respiratory diseases from environmental substances, and evaluating whether medical documentation aligns with alleged exposures. Dr. Drouin has been retained in numerous expert witness and consulting engagements across the United States, involving cases of workers' compensation, toxic torts, and environmental exposure. His Doctorate in Microbiology from the University of Alabama at Birmingham, along with his extensive laboratory research experience, 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 toxicological and environmental exposure issues.

EngineeringElectrochemical testing techniquesCorrosion diagnosis+9
Software Engineering
AJ

Anthony J. Pelham

Software Architect and Engineer

Winter Springs, FL38 years+ yrs★ 8.3

Anthony J. Pelham is a software engineering and computer graphics expert specializing in intellectual property litigation related to video game technologies and computer graphics design. With a career spanning advanced engineering projects for Fortune 500 companies and high-profile cases, he brings a multidisciplinary framework to his litigation work. His work centers on investigating patent infringement, assessing software architecture, and evaluating whether industry standards in computer graphics have been met. Mr. Pelham has been retained in numerous expert witness and consulting engagements across the United States, involving intellectual property cases in video game technology, computer graphics, and avionics. His B.S. in Electrical Engineering from the Massachusetts Institute of Technology, along with his M.S. in Computer Engineering from National Technological 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 patent validity in disputes involving complex software and hardware systems.

ComputersComputer GraphicsComputer Shader Design+5
Structural Engineering
KK

Ken Karston

President

Chicago, Illinois★ 8.3

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
Structural Failure Analysis
RA

Ronald A Bova, PE, DFE

Chief Forensic Engineer

41 years+ yrs★ 8.3

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
Mechanical Engineering
TC

Timothy C. Behrens

Forensic Mechanical Engineer

Phoenix, AZ42 years+ yrs★ 8.3

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
Construction Defects
BT

Barry Taheri

Expert Witness

Long Beach, CA34 years+ yrs★ 8.3

Barry Taheri is a construction defects expert specializing in forensic investigations and exterior envelope failure analysis. With a career spanning forensics, weatherization, and field testing, he brings a comprehensive understanding of building science and waterproofing systems to his litigation work. His work centers on investigating construction defects, assessing weatherization failures, and evaluating whether industry standards were met in building enclosure systems. Mr. Taheri has been retained in numerous expert witness and consulting engagements across California, involving construction defect cases in residential, commercial, and retail properties. His education from the USC School of Architecture and Engineering, along with certifications such as the DuPont Envelope certification (DWSRC 1082) and California Contractor’s License (B 904491), 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 waterproofing systems and construction engineering.

Construction EngineeringForensicsWeatherization+4
Chemical Engineering
MD

Morris D. Argyle

Associate Professor

Provo, UT33 years+ yrs★ 8.3

Morris D. Argyle, Ph.D., Professional Engineer is a chemical engineering expert specializing in petroleum refining and chemical process engineering safety. With a career encompassing academic leadership and industrial operations, he brings a robust understanding of process safety management and risk assessment to his litigation work. His work centers on investigating fluid catalytic cracking operations, assessing refinery process safety, and evaluating whether industry standards were met in chemical plant designs. Mr. Argyle has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to petroleum refining, chemical plant safety, and heterogeneous catalysis. His Ph.D. in Chemical Engineering from the University of California at Berkeley, along with his Professional Engineer registration in Texas, 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 chemical process safety and refinery operations.

SafetyPetroleum refiningHeterogeneous catalysis+1
Engineering
JR

John R. Stauder

Principal

Walnut Creek, CA22 years+ yrs★ 8.3

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+ yrs★ 8.3

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
Electrical Engineering
TH

Thomas H. Burtness

PE, BSEE, CFEI

White Heath, IL49 years+ yrs★ 8.3

Thomas H. Burtness, PE, BSEE, CFEI is an electrical and lighting engineering expert specializing in lighting and electrical accidents and injury litigation. With a career encompassing electrical power systems, illumination engineering, and forensic investigations, he brings a multifaceted perspective to his litigation work. His work centers on investigating lighting fixture accidents, assessing electrical construction defects, and evaluating whether electrocution and arc flash incidents meet industry standards. Mr. Burtness has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to commercial and industrial lighting, roadway illumination, and electrical equipment failures. His Bachelor of Science in Electrical Engineering, along with certifications such as Certified Fire and Explosion 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 electrical injuries and wrongful death.

Equipment & MachineryLighting and Electrical Accidents and InjuryIllumination Engineering+7
Computers
SN

Steve Novak

Principal Engineer

South Lake Tahoe, CA30 years+ yrs★ 8.2

Steve Novak is a digital design and chip integration expert specializing in patent infringement and intellectual property disputes. With a career spanning ASIC/SOC/FPGA systems design, verification, and integration, he brings a comprehensive technical framework to litigation work. His work centers on investigating patent validity, assessing code for infringement, and evaluating system design compliance. Mr. Novak has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to semiconductor technologies, communication protocols, and memory systems. His Master’s in Computer Science from the University of California, Los Angeles, along with his Bachelor of Science in Electrical 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 patent infringement in disputes involving digital design and chip integration.

Electrical EngineeringEthernet(10/40/100, 10Gb Xaui, XFI)Memory controllers(SRAM, DRAM, DDR) protocols and designs+12
Hydrology
GB

Gerald Blackler, Ph.D, P.E., D.WRE

Expert Witness

Denver, CO20+ years+ yrs★ 8.2

Gerald Blackler, Ph.D, P.E., D.WRE is a hydrology and civil engineering expert specializing in the engineering of drainage systems and transportation hydraulics. With a career spanning hydrology, hydraulics, and floodplain management, he brings a comprehensive understanding of water resource challenges to litigation work. His work centers on investigating accidental deaths or drownings near hydraulic structures, assessing bridge scour and hydraulics, and evaluating whether drainage systems meet engineering standards. Mr. Blackler has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to transportation drainage, bridge hydraulics, and water resources. His PhD in Civil Engineering in Hydrology and Hydraulics, along with board certification in water resources (DWRE) and professional engineering licenses in CO, NV, TX, WI, NM, OH, AZ, OR, KY, ND, KS, 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 hydraulic structures and civil engineering projects.

Civil Engineering
Civil Engineering
JF

Jens Figlus, Ph.D.

Associate Professor

Galveston, TX20 years+ yrs★ 8.2

Jens Figlus, Ph.D. is a coastal engineering expert specializing in applied coastal research and engineering. With a career spanning hydraulic engineering, environmental fluid mechanics, and process-based numerical modeling, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating sediment transport dynamics, assessing coastal protection measures, and evaluating environmental fluid interactions. Dr. Figlus has been retained in numerous expert witness and consulting engagements across the United States, involving coastal erosion, sedimentation, and hydrodynamic disputes. His Ph.D. in Civil Engineering with a Coastal Engineering Major, along with his Dipl.-Ing. in Environmental Fluid Mechanics and Hydraulic 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 coastal processes and engineering interventions.

EngineeringApplied coastal research and engineeringHydraulic engineering and environmental fluid mechanics+2
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