Medical Devices Expert Witnesses in California
The SEAK Expert Witness Directory contains a comprehensive list of medical devices expert witnesses who testify, consult and provide litigation support on medical devices and related issues. Medical devices expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these medical devices expert witnesses testify regarding may include: Medical Devices, Cardiovascular Disease, Patent, Artificial Intelligence, Biomedical Engineering, Electronics, Fluid Mechanics, Intellectual Property, Medical Device, Product Liability, Stents, 3 D Laser Scanning, Accident Reconstruction, Addiction Medicine, and Ambulatory Surgery Nurse.
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Peter Crosby
>45 years experience in medical devices & patents
Biomedical Business Resources, LLC
Biomedical Engineering, Intellectual Property
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Medical devices, commercially reasonable efforts, patent, intellectual property, product liability, corporate governance, licensing, strategy, inter partes review, misappropriation of trade secrets, ITC, IPR, ITC, fiduciary duty, pacemaker, defibrillator, neurostimulator, biomedical engineering
Peter Crosby is a biomedical engineer with over 45 years experience in the medical device industry, and has served as CEO of six medical device companies, public and private, in 4 countries. He has served as a member of the Board of 13 companies, and is currently serving as a member of the Board of three companies. He has brought many medical devices from concept to market release, through R&D, clinical trials, regulatory approval (FDA and CE Mark) and market launch.
He is an inventor of over 50 issued US patents and applications and foreign equivalents. He has served as an expert in multiple patent cases - infringement, ownership, validity, IPR and ITC.
His clinical domain and specialty experience includes otolaryngology, cardiology, cardiac surgery, anesthesia, pain management, radiology and diagnostic imaging, in vitro diagnostic devices, orthopedic surgery devices, and oncology.
His product experience includes cochlear implants, diagnostic ultrasound, mammography, implantable...
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Christopher M Daft, PhD
Patents, Trade Secrets and Medical Devices
River Sonic Solutions, LLC
San Francisco, California
Intellectual Property, Medical Devices
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Imaging, Patent, Ultrasound, Electronics, Transducer, ASIC, MEMS, FDA, Signal Processing, Neuromodulation, Regulatory, Integrated Circuit, Semiconductors, Biometric Security, Wearable Biometrics, Tomography, Neural Networks, Artificial Intelligence, Wearable Medical Device, Product Liability
Award winning, Oxford Educated scientist whose areas of expertise include medical imaging, electronics, semiconductors, medical devices, sensors, MEMS, signal processing and image processing.
- 5 trial testimonies and 15 depositions.
- Litigation experience includes district court, ITC and PTAB matters.
- Extensive Intellectual Property experience including patent development, analysis, licensing, and litigation.
- Serial inventor holding 27 U.S. Patents with 20 applications pending.
- Diverse industry experience including multi-nationals such as GE, Medtronic, Fujifilm, Samsung and Siemens as well as several start-ups.
- Well published.
- Winner of grants from National Institute of Health and DARPA.
- Extensive international consulting experience.
- IEEE (Institute of Electrical and Electronic Engineers) Senior Member since 2004.
- Three years’ experience teaching electrical and computer engineering at the University of Illinois.
Holds BA and MA in Physics from...
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Roberto Contreras II, MD, CLCP
California Life Care Planning Association
Seal Beach, California
Life Care Planning, Internal Medicine
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medical billing, life care planner, hospitalist, medical devices, medical management, medical coding, legal medicine, legal nurse consulting, nurse practitioner, obstetrics and gynecology, addiction medicine, family medicine, general practice, gynecology, consultative examinations
The California Life Care Planning Association was created by experts in the field of Life Care Planning, with more than 30 years of experience working in the health care industry. All of our professionals are Certified Life Care Planners, as well as active medical practitioners dedicated to assessing lifetime cost of care for individuals with catastrophic injuries/illness. What sets us apart from many other Life Care Planning organizations and individuals is that all of our Life Care Planners have active direct experience with patient care. We hold ourselves to a higher standard and hold all of our affiliates to that same higher standard. Whether it be plaintiff, defense , or any other client, our methodology is transparent and consistent.
Given the healthcare backgrounds of our founders, all Life Care Plans and services are overseen by a Physician. Similar to a hospital setting, many of our services go through "rounding" with senior partners and physicians to make sure we are keep...
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T.Kim Parnell, PhD, PE
Intellectual Property, Failure, Medical Device
Parnell Expert Consulting
Sunnyvale, California
Medical Devices, Intellectual Property
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Mechanical Engineering, Equipment & Machinery, Medical Device, Nitinol, Biomedical, Patent, IP, Consumer Products, Failure Analysis, Fracture, Fatigue, Truck Rollover, Crashworthiness, Finite Element, FEA, Reliability, Cell Phone, IVC, Composite Material, Piping
T.Kim Parnell, PhD, PE is President of Parnell Engineering & Consulting. Dr.Parnell holds PhD and MSME degrees in Mechanical Engineering from Stanford University, a BES from Georgia Tech, and is a registered Professional Mechanical Engineer (PE) in the State of California. Dr.Parnell is an ASME Fellow, an IEEE Life Senior Member, and a Member of NAFEMS, SAMPE, ASMI and SAE. Parnell is Past-Chair of the IEEE Santa Clara Valley Section (IEEE-SCV) (over 13,000 members) and Past-Chair/Board Member of the IEEE Consultants' Network of Silicon Valley (IEEE-CNSV). Vice-President of Silicon Valley Engineering Council (SVEC-ca.org)
Dr.Parnell is an experienced Expert Witness, has provided testimony in both trial and deposition, and has authored numerous expert reports, ITC and IPR declarations. He has worked extensively as an expert in medical devices, patents, product failure, product liability, and personal injury.
Dr.Parnell has been retained in medical device litigation cases that ...
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Alexander R. Marmureanu, MD
Cardiothoracic Surgeon | Clinical Faculty
Los Angeles, California
Cardiothoracic Surgery, Vascular Surgery
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Cardiac Surgery, Thoracic Surgery, Vascular & Endovascular Surgery, Trauma Surgery, Minimally Invasive Cardiovascular Surgery, Cardiovascular Disease, Pulmonary Critical Care, VATS, Lung Cancer, Minimally Invasive Thoracic Surgery, Robotic Surgery, Medical Devices, Hospital Administration, General Surgery, CABG, Bylaws
I am a board-certified cardiothoracic and general surgeon with an active clinical practice in Los Angeles, California, specializing in complex cardiovascular and thoracic surgery, including minimally invasive, robotic, and endovascular techniques. I am licensed to practice in California and New York.
I serve as President and CEO of California Heart & Lung Surgery Medical Center, Director of Cardiothoracic Surgery at Centinela Hospital Medical Center, and Director of Cardiovascular Surgery at Southern California Hospital at Culver City. I also hold an academic appointment as Assistant Professor of Surgery and serve as Chair of the Bylaws Committee as well as a Member of the Faculty Assembly Committee at the California University of Science and Medicine.
My training includes a General Surgery residency and research fellowship at New York University and Mount Sinai Medical Center, followed by a Cardiothoracic Surgery fellowship at UCLA, where I subsequently served on faculty.
My cli...
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Brian McVerry, PhD
Medical Devices/Materials - Founder and CTO
Axiom Scientific
Marina del Rey, California
Chemistry & Chemicals, Medical Devices
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Polymer Chemistry, Surface Modification, Surface Chemistry, Medical Device Complications, Material Properties, Material Characterization, Catheters, Stents, Implant Coatings, Chemical Characterization, Pathogenesis, Medical Device Manufacturing, Chemistry Intellectual Property, Formulating Chemistry, Biomedical Engineering
Brian T. McVerry, Ph.D., is a scientist, inventor, entrepreneur, and medical device executive with deep expertise in biomaterials, anti-fouling surface chemistry, medical device design, regulatory strategy, and clinical evidence generation. He is the Co-Founder and Chief Scientific Officer of Silq Technologies, where he conceived and developed a clinically demonstrated zwitterionic surface treatment for implantable medical devices and led its translation from laboratory concept to FDA-cleared commercial products.
Dr. McVerry holds a Ph.D. in Chemistry from the University of California, Los Angeles (UCLA). His doctoral work produced multiple high-impact publications, patents, and licensed technologies, including a universal anti-fouling surface modification licensed to Silq Technologies and a non-flammable electrolyte technology licensed to a private energy storage company. He is a recipient of the National Science Foundation Graduate Research Fellowship, a Finalist in the U.S. Pate...
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Shawn A Hayden, MD, PhD, MBA
Harvard Trained Orthopedic Spine/Trauma Surgeon
Shawn A. Hayden MD PA
California
Spine Surgery & Spine Care, Orthopedic Surgery
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Orthopedic Surgery, Spine Surgery, Sports Medicine and Surgery, Endoscopic Surgery, Minimally Invasive Surgery, Sports Injury, Back Injury, Neck Injury, Whiplash, Concussion, Causation, Case Valuation, Impairment, Medical Devices, Innovation, Understanding EMR, Vehicle Injury Evaluation, Trauma
Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. He has been providing high quality medical expert opinions on orthopedic surgical spine and trauma care for years.
Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center.
Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. His Ph.D was received at the UT Southwestern Medical Center with research in computer science and anatomy. In 2011, Dr. Hayden received his MBA from the University of Tennessee.
Today Dr. Hayden runs Onto Orthopedics, a high quality private orthopedic medical practice in Plano, TX. Dr. Hayden’s focus has always been in providing high-tec...
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Gavin Huntley-Fenner, Ph.D.
Human Factors and Cognitive Sciences Expert
Rimkus
Irvine, California
Human Factors, Safety
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Risk Analysis, Risk Perception, Hazard Communications, Safety and Human Development, Human Perception-Response Time, Decision Making, Cognitive Psychology, Consumer Electronics, Pharmaceuticals, Professional Products, Medical Devices, Human Behavior, Literature Reviews, Incident Database Reviews, Surveys and Human Subject Test
Dr. Gavin Huntley-Fenner is a nationally recognized expert in human factors and safety whose problem-solving skills and communication style have made him widely sought after as a consultant. Along with providing comprehensive risk analyses for a wide variety of product types, Dr. Huntley-Fenner often serves as an expert witness for matters relating to risk perception, hazard communications, safety and human development, human perception-response time, and decision-making.
With a background of over 25 years as a researcher, author, educator, and business consultant, Dr. Huntley-Fenner applies the latest findings and research methods in cognitive psychology and related disciplines to real-world, often life-and-death, situations. Dr. Huntley-Fenner’s recent consulting and forensic projects have involved diverse products such as consumer electronics, pharmaceuticals, professional products, and medical devices. He has conducted investigations into human behavior in home, school, workpl...
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David Schaafsma, PhD
Medical Diagnostics, Optics, Networks
California Optical Engineering, Inc.
Fallbrook, California
Medical Devices, Intellectual Property
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optics, electronics, software, medical device, diagnostics, medtech, biotech, optical networks, physics, optical materials, intellectual property
My company provides engineering consulting and product development services across the spectrum of entrepreneurs, small businesses, and large firms, as well as expert services. We are a network of skilled professionals with backgrounds including all engineering disciplines, science, manufacturing, regulatory affairs, and a wide range of others. We specialize in projects involving optics, electronics, software, and various aspects of materials physics, but have made happy customers in a broad range of endeavors.
As of 2025, I have served as an expert on more than 30 matters, have been deposed over 12 times, and have testified in District and Superior Court, as well as the ITC. My primary focus has been in intellectual property, but I have experience in personal injury and product liability cases as well. I was also an adjunct professor of Applied Physics at Cal State San Marcos for over 16 years, teaching electronics, optics, embedded programming, and physics. I have worked i...
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Peter Crosby
>45 years experience in medical devices & patents
Biomedical Business Resources, LLC
Aliso Viejo, California
Biomedical Engineering, Intellectual Property
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Medical devices, commercially reasonable efforts, patent, intellectual property, product liability, corporate governance, licensing, strategy, inter partes review, misappropriation of trade secrets, ITC, IPR, ITC, fiduciary duty, pacemaker, defibrillator, neurostimulator, biomedical engineering
Peter Crosby is a biomedical engineer with over 45 years experience in the medical device industry, and has served as CEO of six medical device companies, public and private, in 4 countries. He has served as a member of the Board of 13 companies, and is currently serving as a member of the Board of three companies. He has brought many medical devices from concept to market release, through R&D, clinical trials, regulatory approval (FDA and CE Mark) and market launch.
He is an inventor of over 50 issued US patents and applications and foreign equivalents. He has served as an expert in multiple patent cases - infringement, ownership, validity, IPR and ITC.
His clinical domain and specialty experience includes otolaryngology, cardiology, cardiac surgery, anesthesia, pain management, radiology and diagnostic imaging, in vitro diagnostic devices, orthopedic surgery devices, and oncology.
His product experience includes cochlear implants, diagnostic ultrasound, mammography, implantable...
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Alison Marsden, PhD
Biomedical engineer - Stanford Faculty
Stanford University
Stanford, California
Biomedical Engineering, Medical Devices
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digital health, finite element modeling, cardiovascular disease, surgical devices, biomechanics, fluid mechanics, pediatric cardiology, pediatric devices, machine learning, artificial intelligence, computational modeling, coronary artery disease, congenital heart disease, artificial heart, stents
Dr. Marsden is a full professor at Stanford and head of the Cardiovascular BioComputational Lab. Dr. Marsden has broad expertise in cardiovascular disease biomechanics and computational modeling. She trained as a mechanical engineer (Princeton BS, Stanford PhD) with expertise in computational science and fluid mechanics before moving into the biomedical field. She has extensive experience with cardiovascular medical devices, including stents, ventricular assist devices, hemolysis and thrombosis, pediatric devices, catheters, and heart valves. She has a particular focus on computational fluid dynamics simulations and finite element modeling of the cardiovascular system, including the incorporation of machine learning and artificial intelligence into clinical decision making. She has worked extensively in pediatric cardiology, applying computational modeling to congenital heart disease for surgical planning and medical device evaluation. She has served as a consultant for medical...
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Susan M Bowley, Ph.D.
Biomechanics, Medical Devices & Consumer Products
Bowley Inc.
California
Biomechanics, Medical Devices
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Injury Causation Biomechanics & Personal Injury, Consumer & Medical Product Liability, Premises Liability, Slip, Trip & Falls, Accident Reconstruction, Animations and Illustrations, 3D Laser Scanning, Drone Aerial Mapping, Criminal and Shooting Reconstruction
Dr. Bowley started her own engineering consulting firm in 2008 and has been a testifying expert since 2006. Corporate offices are located in Connecticut (HQ), Maryland, and Northern California. Additionally, Dr. Bowley teaches Engineering courses at local Universities.
Susan M. Bowley, Ph.D. has been a practicing engineer since 1988. Dr. Bowley grew up in Ashford, CT and completed her B.S. in Mechanical Engineering at the University of Connecticut. She then started her professional engineering career at NASA Ames Research Center in Northern California where she worked in various capacities for over 13 years. While at NASA, Dr. Bowley earned her M.S. in Mechanical Engineering at Stanford University with a concentration in Thermosciences, including completion of an independent research study on Transpired Epidermal Water Loss in Premature Infants. After competitive selection for a NASA Full-time Graduate Study Fellowship, Dr. Bowley earned her Ph.D. in Biomedical Engineering at ...
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Jason C. Goodwin, RN, MS, MPH, CNOR
Procedural, CNOR, Pre / Post Op Director Expert
Granite Bay, California
Nursing Administration, Nurse
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Wrong site surgery , Retained surgical item, Operating Room Nurse, Ambulatory Surgery Nurse, Anesthesia error, Falls, Perioperative Services Administration, Post Anesthesia Nurse, Procedural Sedation, GI procedures, CNOR, RN, Med Surg, Medical Devices, Nurse, Preoperative, Consent, Failure to rescue , Standard of Care, Pressure injuries
I am a highly skilled and decorated Veteran Nurse Corps Lieutenant, honorably discharged in 2006. An
experienced RN and perioperative leader, I have successfully influenced high-quality care and service
excellence since 2002. I am committed to building strong relationships and providing detailed clinical
assistance. Facilitation with relevant stakeholders including C-suite healthcare administrators and Physician has been a growing responsibility as my career progressed. An expert with quality and safety compliance
regulation, I have successfully prepared teams for Joint Commission, AAAHC, Medicare, Inspector General,
and State audits. I have experience managing as many as 20 managers, 4 Lean/Six Sigma processimprovement personnel, 500 total employees, and $1.8 Billion in annual gross revenue.
Clinical Experiences include:
Medical Surgical Nursing
Shock / Trauma Intervention
Procedural Services
Preoperative, Intraoperative, and Postoperative Care
Procedural Sedatio...
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Patrick Jurney, PhD, FAHA
Bio/Mech Eng (PhD, FAHA) – Cardiovascular Expert
San Jose State University
San Jose, California
Biomedical Engineering, Medical Devices
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Cardiovascular Devices, Vascular Biomaterials, Cardiovascular Disease, Fluid Mechanics, Nanoparticles, Drug Delivery, Biomedical Device Manufacturing, Microfluidics, Bypass Grafts, Mammalian Cell Culture, Biotransport Phenomena, Mechanotransduction, Thrombogenicity and Hemostasis, Endothelial Cells
Kordestani Endowed Chair & Associate Professor of Biomedical Engineering
San José State University
Visiting Scholar, Department of Chemical and Systems Biology, Stanford University
Dr. Patrick Jurney is both a Biomedical and Mechanical Engineer specializing in cardiovascular devices, microfluidics, and vascular biomaterials. As the Kordestani Endowed Chair and Associate Professor of Biomedical Engineering at San José State University, and a Visiting Scholar in the Department of Chemical and Systems Biology at Stanford University, Dr. Jurney integrates engineering innovation with translational biomedical research. His Stanford affiliation expands his expertise into pharmacological and molecular approaches, strengthening his ability to evaluate how medical devices and engineered biomaterials interface with complex biological systems. He has been recognized as a Fellow of the American Heart Association (FAHA) and has secured funding from the National Institutes of Health (NIH), the Am...
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Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Texas, and Virginia
