Find the Right Expert for Every Case

President of Alpine Engineering and Design

David G. Smith, MS, PE, CSP is a mechanical engineering and safety expert specializing in patent litigation and equipment safety. With a career encompassing product development, risk assessments, and accident reconstruction, he brings a multifaceted engineering perspective to litigation work. His work centers on investigating patent infringement, assessing equipment safety, and evaluating whether product liability standards have been met. Mr. Smith has been retained in numerous expert witness and consulting engagements across the United States, involving patent and personal injury cases in industries such as manufacturing, consumer products, and construction equipment. His Master of Science in Mechanical Engineering, along with certifications as a Certified Safety Professional (CSP) and Professional Engineer (PE), 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 equipment safety and patent validity.

C.E.M.

Joseph A. LaRovere, C.E.M. is an HVAC and Mechanical Engineering expert specializing in construction defects and energy management. With a career spanning roles as a contractor, owner/operator, technician, and consultant, he brings a multifaceted perspective to litigation work. His work centers on investigating system failures, assessing contractor standard of care, and evaluating whether energy management practices meet industry standards. Mr. LaRovere has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to healthcare facilities, data centers, and high-rise residential buildings. His Certified Energy Manager designation, along with certifications such as Honeywell Tridium Niagara AX and Johnson Controls Facility Explorer, 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 HVAC systems, energy management, and mechanical failures.

President & Principal Computer Scientist

George Edwards, PhD is a computer science expert specializing in software-related litigation. With a career encompassing software analysis, intellectual property evaluation, and advanced analytic techniques, he brings a multifaceted perspective to litigation work. His work centers on investigating software failures, assessing intellectual property portfolios, and evaluating whether software designs infringe on existing patents. Mr. Edwards has been retained in numerous expert witness and consulting engagements across the United States, involving cases of patent and copyright infringement, theft of trade secrets, and breach-of-contract. His Ph.D. in Computer Science, along with his extensive experience in software engineering and intellectual property analysis, 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 software and technology systems.

Licensed Professional Mechanical Engineer

Ronald D. Schapf, P.E. CA, NV, TX, FL is a mechanical engineering expert specializing in machine design litigation. With a career encompassing theme park ride systems, recreational vehicles, and off-road vehicle engineering, he brings a multifaceted perspective to his litigation work. His work centers on investigating mechanical failures, assessing design compliance, and evaluating whether engineering standards were met. Mr. Schapf has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to theme park rides, recreational vehicles, and specialized machinery. His B.A.Sc. in Mechanical Engineering from the University of Waterloo, along with his Professional Engineer licenses in CA and NV, 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 vehicle dynamics.

Founder/CEO

Scott Ruthfield is a software engineering and technology development expert specializing in software engineering best practices, software consulting expectations and deliverables, and information technology staffing. With a career spanning leadership roles in software engineering, technology development, and IT staffing services, he brings a strategic perspective to litigation work. His work centers on investigating software engineering processes, assessing consulting deliverables, and evaluating whether IT staffing meets industry standards. Mr. Ruthfield has been retained in numerous expert witness and consulting engagements across the United States, involving cases in software engineering, IT staffing, and technology consulting. His Master of Computer Science from Rice University, along with his extensive experience in software engineering and consulting, 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 complex software and system design.

Expert Witness and Subject Matter Expert for Traumatic Brain Injury Litigation

Jeffrey Hickman, Ph.D. is a human factors and safety expert specializing in occupational and industrial safety, as well as vehicle operator behavior. With a career encompassing behavioral safety, safety culture, and advanced driver assistance systems, he brings a comprehensive framework to litigation work involving human factors issues. His work centers on investigating driver distraction, assessing safety management techniques, and evaluating the impact of electronic device use on operator behavior. Dr. Hickman has been retained in numerous expert witness and consulting engagements across North America, involving cases related to transportation safety, occupational safety, and driver behavior. His Ph.D. in Clinical Psychology, along with his extensive involvement in safety research and development of safety programs, 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 driver distraction, fatigue management, and safety regulations.

Engineering Consultant

Lester Weitman, BSEE, MS, 6-Sigma Black Belt is an Automotive Electrical Systems expert specializing in failure analysis and forensic engineering. With a career spanning electrical product design, testing, and field failure analysis, he brings a systems-thinking framework to litigation work. His work centers on investigating electrical failures, assessing design flaws, and evaluating whether assembly errors contributed to automotive incidents. Mr. Weitman has been retained in numerous expert witness and consulting engagements across the United States, involving automotive product liability and defect cases. His BSEE in Electrical Engineering from the Massachusetts Institute of Technology, along with certifications in 6-Sigma Black Belt and Failure Mode & Effects Analysis, 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 automotive electrical systems.

Mechanical Engineering, Accident Reconstruction, Biomechanics and Safety Expert

Kristopher J Seluga, Licensed Professional Engineer is a Mechanical Engineering and Accident Reconstruction expert specializing in biomechanics and safety analysis. With a career spanning accident reconstruction, product liability, and safety engineering, he brings a multidisciplinary approach to his litigation work. His work centers on investigating motor vehicle dynamics, assessing product design and safety, and evaluating whether safety standards have been met. Mr. Seluga has been retained in numerous expert witness and consulting engagements across Connecticut and New York, involving motor vehicle accidents, product liability, and premises liability cases. His M.S. in Mechanical Engineering from M.I.T., along with his OSHA 10-hour Construction Safety and Health 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 accident reconstruction and safety engineering.

Consulting Engineer in Civil Engineering

Keith A. Bergman, PE is a civil engineering expert specializing in highway and street design, traffic engineering, and utilities construction. With extensive experience in construction management, project-related claims, and job site safety, he brings a comprehensive understanding of codes and standards to his litigation work. His work centers on investigating premise liability, assessing pedestrian safety, and evaluating whether ADA compliance has been met. Mr. Bergman has been retained in numerous expert witness and consulting engagements across the United States, involving premises liability, traffic engineering, and construction management cases. His Bachelor of Science Degree in Civil Engineering from San Diego State University, along with his Professional Engineer certifications 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 walkway surface evaluations, storm drainage, and pedestrian safety.

Senior Consultant

Mark S. Wassom, P.E. is a fire protection engineering expert specializing in code consultation and fire investigation. With a career encompassing fire protection engineering, code consultation, and fire investigation, he brings a comprehensive understanding of fire safety systems and regulatory compliance to his litigation work. His work centers on investigating fire incidents, assessing code compliance, and evaluating whether fire protection systems meet industry standards. Mr. Wassom has been retained in numerous expert witness and consulting engagements across the United States, involving commercial, industrial, educational, and healthcare facilities. His B.S. in Architectural Engineering, along with certifications such as Certified Fire Investigator and Certified Fire Marshal, 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 and life safety systems.

Technology Leader

Khalid Sorensen, Ph.D. is a mechatronics and automation systems expert specializing in industrial automation, control systems, and robotics litigation. With a career spanning technology leadership, advanced manufacturing, and human-machine interaction, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating product liability claims, assessing intellectual property disputes, and evaluating whether control systems meet industry standards. Dr. Sorensen has been retained in numerous expert witness and consulting engagements across the United States, involving product liability, intellectual property, and contract disputes in sectors such as automotive, primary metals, and heavy equipment. His Doctor of Philosophy in Mechanical Engineering from Georgia Institute of Technology, along with his extensive experience in system dynamics and controls, 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 mechatronics, motion control, and automation technologies.

Mechanical & Metallurgical Engineer

Bradley N. Plank, P.E. is a Mechanical & Metallurgical Engineering expert specializing in forensic engineering and failure analysis. With a career spanning mechanical engineering, metallurgical processes, and product safety management, he brings a multifaceted perspective to litigation work. His work centers on investigating mechanical failures, assessing metallurgical integrity, and evaluating whether industry standards were met in complex engineering disputes. Mr. Plank has been retained in numerous expert witness and consulting engagements across the United States, involving personal injury, property damage, and product liability cases in industries such as oilfield equipment, HVAC systems, and heavy machinery. His Bachelor of Science in Metallurgical Engineering from Ohio State University, along with his Professional Engineer license and Certified Fire and Explosion Investigator 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 and metallurgical failures.

Testifying Software Development Expert

David S. Howell, Testifying Software Engineering Expert is a software engineering expert specializing in intellectual property litigation. With a career encompassing software development, engineering management, and patent prosecution analytics, he brings a multifaceted perspective to his litigation work. His work centers on investigating software code integrity, assessing patent infringement claims, and evaluating whether trade-secret misappropriation has occurred. Mr. Howell has been retained in numerous expert witness and consulting engagements across the U.S. and U.K., involving cases with major technology companies such as Apple, Amazon, and TikTok. His Doctor of Engineering in Artificial Intelligence and Machine Learning, along with his Master of Legal Studies in Intellectual Property Law, 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 software intellectual property.

Biomedical Systems Expert - 25+ Yrs, 10 Patents

Eric A. Bharucha, M.Sc., B.Eng., B.Sc., P.E. is a biomedical systems expert specializing in medical device development and regulatory compliance. With a multidisciplinary career encompassing electrical engineering, microbiology, and systems integration, he brings a comprehensive framework to his litigation work. His work centers on investigating electronic system failures, assessing regulatory compliance pathways, and evaluating whether design deviations impact device safety. Mr. Bharucha has been retained in numerous expert witness and consulting engagements worldwide, involving medical devices, aerospace systems, and advanced sensor technologies. His M.Sc. in Electrical Engineering, along with his Professional Engineer (P.E.) 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 electronic system failures and regulatory compliance.

Professor of Cardiovascular Diseases

Alison Lesley Marsden, Ph.D. is a Biomedical Engineering expert specializing in cardiovascular modeling and computational fluid dynamics in litigation contexts. With a career spanning bioengineering, digital health, and pediatric cardiology, she brings a multidisciplinary framework to her litigation work. Her work centers on investigating cardiovascular device efficacy, assessing computational modeling accuracy, and evaluating whether surgical interventions meet industry standards. Ms. Marsden has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to cardiovascular disease, medical devices, and pediatric cardiology. Her Ph.D. in Mechanical Engineering, along with her Fellow status in the Biomedical Engineering Society and American Institute for Medical and Biological Engineering, 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 cardiovascular modeling and medical devices.

Managing Director

Hanspeter Dinner, Dipl. Masch. Ing. ETH, Dipl. Vertriebsingenieur VDI is a gear and bearing design and analysis expert specializing in mechanical engineering litigation. With a career encompassing roles in software support, project engineering, and global sales, he brings a multifaceted perspective to his litigation work. His work centers on investigating gear and bearing failures, assessing engineering analysis processes, and evaluating whether design processes meet certification standards. Mr. Dinner has been retained in numerous expert witness and consulting engagements across Europe and Asia, involving wind turbines, industrial gearboxes, and fine pitch gear industries. His Dipl. Masch. Ing. ETH in Mechanical Engineering, along with his Dipl. Vertriebsingenieur VDI, 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 gear and transmission optimization.

Expert Witness

Joseph Quinn, M.S., P.E. is a materials engineering and failure analysis expert specializing in product failure analysis involving water loss, fire and explosions, accidents, and forensic investigations. With a career spanning material failures due to abuse/misuse, application, design, environment, fabrication, installation, maintenance, manufacturing, and processing, he brings a comprehensive framework to litigation work. His work centers on investigating product failures, assessing material degradation, and evaluating whether engineering design standards were met. Mr. Quinn has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to construction defects, product liability, and mechanical failures. His Master of Science in Materials Engineering, along with his Licensed Professional Engineer designation in Metallurgical 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 product design and material integrity.

Mechanical and Metallurgical Engineering Consultant

Jamie L. Petty-Galis, M. S., P.E. is a forensic metallurgical and mechanical engineering expert specializing in material failure analysis and structural integrity assessment. With a career encompassing diverse material applications in industries such as aviation, biomedical, and oil and gas, she brings a multidisciplinary approach to her litigation work. Her work centers on investigating material failures, assessing structural integrity, and evaluating the root causes of system failures. Ms. Petty-Galis has been retained in numerous expert witness and consulting engagements across the United States, involving cases in aviation, oil and gas, and transportation industries. Her M.S. in Materials Science from The University of Texas at Arlington, along with her Texas Professional Engineer license, 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 complex material systems.