Dr. John O. Winter
Dental Expert Witness, Injury and Claims Consultant
Browse our verified directory of expert witnesses spanning medicine, engineering, finance, and dozens of specialized fields.
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Dental Expert Witness, Injury and Claims Consultant
Dr. John O. Winter, DDS is a dental expert specializing in dental malpractice and injury claims. With a distinguished career spanning over two decades, he brings a nuanced understanding of dental treatment issues, negligence, and malpractice claims across various settings. His work centers on investigating standard of care in dental treatment, assessing treatment planning and informed consent, and evaluating whether procedural errors occurred. Dr. Winter has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as traffic incidents, workplace accidents, and slip and fall injury cases. His Doctor of Dental Surgery in Dentistry from New York University College of Dentistry, along with his State of Florida Dental Expert Witness Certificate, 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 dental treatment and negligence.
Mechanical and Structural Engineering Leader
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.
Thought Leader in Design and Testing
Gary Stringham is a software, firmware, and hardware design and testing expert specializing in intellectual property litigation. With a career spanning software engineering, intellectual property analysis, and embedded systems development, he brings a multifaceted perspective to litigation work. His work centers on investigating patent infringement, assessing trade secret misappropriation, and evaluating whether software source code misuse has occurred. Mr. Stringham has been retained in numerous expert witness and consulting engagements across the United States, involving cases in industries such as printers, video games, and commercial equipment. His Master of Science in Engineering from Utah State University, along with his Bachelor of Science in Electrical Engineering from Brigham Young 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 software and hardware design.
Chiropractic Expert – National Guideline Author
Louis Crivelli, DC, MS, FICC is a chiropractic expert specializing in clinical practice guidelines and best practices. With a career spanning chiropractic, physical therapy, and biomechanics, he brings a multidisciplinary perspective to litigation work. His work centers on investigating treatment appropriateness, assessing injury causation, and evaluating whether standards of care have been met. Mr. Crivelli has been retained in numerous expert witness and consulting engagements across Maryland, Virginia, and Washington, DC, involving cases of whiplash, soft tissue injury, and rehabilitation. His DC from the National University of Health Sciences, along with his licenses in Maryland, Virginia, and Washington, DC, 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 chiropractic and physical therapy practices.
International Authority on Livestock Fencing
Bob Kingsbery is a livestock fencing and management expert specializing in livestock-related accidents, fencing systems, and pasture management. With a career spanning international sales, consulting, and education in the livestock equipment industry, he brings a comprehensive understanding of livestock behavior and fencing technology to his litigation work. His work centers on investigating livestock-related incidents, assessing fencing system failures, and evaluating whether livestock handling practices meet industry standards. Mr. Kingsbery has been retained in numerous expert witness and consulting engagements across 46 states and Canada, involving livestock-related accidents, fencing disputes, and pasture management cases. His degree in Agricultural Communications from Texas A&M University reinforces 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 livestock fencing and management practices.
Aviation Expert Witness and Consultant
Captain John Buch is an aviation expert specializing in flight operations and accident investigation. With a career spanning regional airlines, major airlines operations, and Alaska bush flying, he brings a comprehensive operational framework to analyzing aviation incidents. His work centers on investigating flight operations, assessing pilot performance, and evaluating whether industry standards were met. Mr. Buch has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to regional and major airlines, air taxi operations, and commuter airlines. His Bachelor of Arts in Geography, along with certifications such as Air Transport Pilot (ATP) AMEL and Flight Instructor CFII ASMEL, 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 aviation operations.
Forensic Engineering Expert/Forensic Science
Steven Pietropaolo, MS, P.E., CFEI, DFE is a forensic engineering expert specializing in forensic science. With a career spanning mechanical and electrical engineering, he brings a multidisciplinary approach to complex litigation matters. His work centers on investigating explosions, assessing product liability, and evaluating whether building defects contributed to property damage. Mr. Pietropaolo has been retained in numerous large multimillion-dollar property damage cases across New York, involving construction, appliances, and fire protection. His Masters of Science in engineering, along with certifications such as Certified Fire and Explosion Investigator and Certified Forensic Consultant, 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 electrical failures.
Professor of Biomedical Engineering
Morten Olgaard Jensen, PhD, DrMed, FAHA is a biomedical engineering and medical device expert specializing in product liability and intellectual property litigation. With a career encompassing medical device innovation, biomechanics, and surgical applications, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating device failures, assessing compliance with medical standards, and evaluating whether engineering practices meet regulatory requirements. Mr. Jensen has been retained in numerous expert witness and consulting engagements across the United States and Europe, involving medical device failures, patent disputes, and surgical malpractice cases. His Doctor of Medical Science from The University of Aarhus, along with his Fellow of the American Heart Association 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 biomedical technology and medical instrumentation.
Consultant & Expert Witness
David A. Lombardo is a firearm industry consulting expert specializing in civil and criminal action related to firearms. With a career spanning firearms design, safety management, and training program development, he brings a comprehensive perspective to litigation work involving the firearm industry. His work centers on investigating firearm design and operation, assessing systemic safety management systems, and evaluating whether standard operating procedures were followed. Mr. Lombardo has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to firearms, shooting ranges, and systemic safety management systems. His M.Ed. in Vocational/Technical Education, along with certifications such as NRA Range Development & Operations Certificate and Illinois Certified 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 firearm safety and operation.
MD, FAAAAI
Jeffrey M. Davidson, MD, FAAAAI is an Allergy & Immunology expert specializing in mold, drug allergy, and anaphylactic shock litigation. With a career spanning allergy treatment, internal medicine, and immunodeficiency management, he brings a comprehensive clinical perspective to his litigation work. His work centers on investigating causation in allergic reactions, assessing the standard of care in immunotherapy, and evaluating whether product liability issues contributed to adverse outcomes. Dr. Davidson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to product liability, vaccine allergy, and fatal asthma. His M.D., C.M. in Medicine from McGill University, along with his certifications from the American Board of Allergy & Immunology and the American Board of Internal Medicine, 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 allergy and immunology.
Expert Witness
Tracy Myers, AIA is an architecture and construction defects expert specializing in architectural standard of care and construction defect forensic analysis. With a career spanning building enclosure evaluation, code compliance review, and water intrusion investigation, he brings a comprehensive framework to litigation work. His work centers on investigating construction defects, assessing building code compliance, and evaluating whether architectural standards have been met. Mr. Myers has been retained in hundreds of expert witness and consulting engagements across the United States, involving construction defect and accident litigation. His BA in Architecture from UC Berkeley, along with certifications such as NCARB (#89725), LEED Accredited Professional, and Registered Roof Observer (RRO #1736), 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 and construction defects.
Expert Witness
Jahan Rasty, PhD, PE, MBA is an engineering and metallurgy expert specializing in failure analysis and accident reconstruction. With a career spanning multiple domains including forensic science, human factors, and intellectual property, he brings a multidisciplinary perspective to litigation work. His work centers on investigating failure mechanisms, assessing accident causation, and evaluating whether industry standards were met. Mr. Rasty has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to products liability, premises liability, and equipment and machinery failures. His PhD in Engineering, along with certifications as a Licensed Professional Engineer in Texas, CFEI, CFII, and CDR, 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 engineering and metallurgical issues.
Public Education Administrator
Candace Perez, Ed.D. is a public education administration expert specializing in school operations and safety with a specific focus on special education. With a career encompassing leadership roles in school district administration, special education oversight, and policy implementation, she brings a strategic perspective to litigation work. Her work centers on investigating compliance with educational regulations, assessing the implementation of special education programs, and evaluating whether school safety protocols meet established standards. Ms. Perez has been retained in numerous expert witness and consulting engagements across Oregon, involving cases related to special education, school safety, and district administration. Her Educational Doctorate in Educational Administration, along with her Special Education Endorsement Coursework and Gifted and Talented Education Certificate, 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 special education and school operations.
Expert Witness
David G. Curry, Ph.D., CHFP, CSP is a Human Factors and Safety expert specializing in accident investigation and human-machine interface design. With a career spanning human behavior analysis, ergonomics, and safety compliance, he brings a multidisciplinary perspective to litigation work. His work centers on investigating human capabilities and limitations, assessing human-machine interactions, and evaluating safety compliance in various environments. Dr. Curry has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to air- and surface-vehicle control, workplace safety, and industrial ergonomics. His Ph.D. in Cognitive & Perceptual Psychology, along with certifications as a Certified Human Factors Professional and Certified Safety Professional, 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 safety issues.
Medicolegal Expert Consultant / Investigations
Dean A. Beers, CLI, CFDI-Expert is a medicolegal expert consultant specializing in investigations related to medicolegal death and catastrophic injuries. With a career spanning over two decades in forensic investigations and criminalistics, he brings a comprehensive framework to litigation work involving complex death and injury cases. His work centers on investigating medicolegal death circumstances, assessing injury mechanisms, and evaluating whether industry standards were met in death investigations. Mr. Beers has been retained in numerous expert witness and consulting engagements across various jurisdictions, involving cases of accidental death, dismemberment, and insurance denial appeals. His Associates degree from Lion Investigation Academy, along with certifications as a Board Certified Legal Investigator and Certified in Medicolegal Death Investigations, 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, edged weapons, and blunt force injuries.
Expert Witness
David L Mitchell, PhD is a meteorology and environmental expert specializing in forensic meteorology and environmental litigation. With a career spanning weather event re-construction, air dispersion modeling, and severe storm analysis, he brings a multidisciplinary perspective to litigation work. His work centers on investigating weather-related causation, assessing air quality impacts, and evaluating whether environmental standards have been met. Mr. Mitchell has been retained in numerous expert witness and consulting engagements across the United States, involving aviation accidents, marine accidents, and property damage cases. His PhD in Meteorology from Purdue University, along with his Certified Professional Geoscientist designation and Licensed Professional Geoscientist (#1330) in the State of 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 weather and environmental factors.
Structural Engineer - Construction and Personal Injury
Michael C Head, PE is a structural engineering expert specializing in construction defects and personal injury litigation. With a career spanning over four decades in building construction, building forensics, and high-rise building construction analysis, he brings a comprehensive framework to litigation work. His work centers on investigating construction defects, assessing structural integrity, and evaluating whether construction standards were met. Mr. Head has been retained in numerous expert witness and consulting engagements across the Southeastern United States, involving construction defects, structural failures, and hurricane damage cases. His MS in Structural Engineering from Vanderbilt University, along with certifications as a Professional Engineer in multiple states and a LEED© Accredited Professional (LEED AP BD+C), 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.
Expert Witness
Brice R. Miller, MBC, BSBC is a construction defects expert specializing in moisture intrusion, stucco, and building envelope litigation. With a career spanning construction project management, quality control, and forensic investigation, he brings a comprehensive understanding of building codes and construction standards to his litigation work. His work centers on investigating construction defects, assessing compliance with building codes, and evaluating whether industry standards have been met. Mr. Miller has been retained in numerous expert witness and consulting engagements across Florida, involving construction defect claims, building envelope failures, and compliance with FL Statutes 558 and 553. His Master of Building Construction from the University of Florida, along with certifications such as LEED Accredited Professional and FenestrationMasterTM, 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 defects and building code compliance.
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