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William Acorn, P.E., FASHRAE
Principal
10617 N Hayden Rd, Suite B-108
Scottsdale AZ 85260
USA
phone: (602) 888-7250
fax: 520-577-0851
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William Acorn Technology Analysis ExpertWilliam R. Acorn is founder of Acorn Consulting Services, LLC, an engineering firm. As a consulting mechanical engineer, Bill provides project analysis, forensic reconstructions and litigation support services relating to the design, delivery and functioning of high-tech manufacturing facilities, semiconductor fabrication facilities, institutional laboratories, data centers, health care facilities and a variety of commercial buildings. He is a recognized expert in the evaluation of deficiencies in HVAC systems, cleanrooms, piping systems, refrigeration systems, construction defects, building and fire code compliance, and patent and trade secret disputes. He represents both plaintiffs and defendants.

Bill has more than 40 years of experience as a professional engineer and is a recognized expert in assessing, evaluating, remediating and providing testimony on complex project design, construction and operational matters. His consulting expertise has been influential in shaping approaches to code compliance and life safety in semiconductor and similar advanced technology facilities.

  • Registered as a Professional Mechanical Engineer in the States of Arizona, California, Colorado, Illinois, Iowa, Nevada, New Hampshire, New Mexico, Oregon, Texas, Washington and Utah.
  • Registered with the National Council of Examiners for Engineering and Surveying NCEES (Certificate No. 6999)
  • Fellow in the HVAC industry leading organization ASHRAE
  • Visiting lecturer at the Arizona State University Del E. Webb School of Construction in Tempe, AZ
  • Advisor to CREATE, ACE – Alliance for Construction Excellence and the IAB – Industry Advisory Board, all affiliated with ASU

    Building Systems Analysis:

  • HVAC and Refrigeration
  • Process and Power Piping
  • Plumbing Systems
  • Standard of Care in Design and Construction
  • Chemical Exposures in the Workplace
  • Cleanroom Design and Performance
  • Codes and Standards
  • Patent and Trade Secret Disputes

    Bill’s pragmatic approach to both forensic and litigation consulting as well as project consulting is based on more than 40 years of real-world experience as a design professional, mentor and forensic analyst, as well as many years as an instructor in professional and academic settings.

    Litigation Support:

  • Forensic Analysis
  • Strategic Litigation Consulting
  • Trial Demonstratives
  • Expert Testimony

    Forensic Analysis, litigation consulting and expert testimony. Represented both plaintiffs and defendants in a variety of jurisdictions throughout the US and Asia.

    Bill’s ability to explain complex issues to non-technical audiences, including juries, mediators and judges, is a key to successfully solving your litigation challenges.

    Consulting Services:

    Services range from peer review to conceptual design to development of strategies and programs for expedited project delivery.

    Bill frequently acts as an owner’s agent and mentor, functioning as an extension of the owner’s project team. On other projects, Bill serves as a subject matter expert assisting project delivery firms in their development of viable solutions and review of construction documents.

    As a project consultant, Bill assures the project gets off to the right start and provides his expertise through completion and operation to maximize return on investment.

    Consulting Expertise Includes:

  • Project Design and Management Consulting
  • Forensic Analysis and Litigation Consulting
  • Mentoring & Advanced Education

  • 4/11/2005 · Construction
    Introduction: In our first Volume of the Forensic Exchanger, we discussed some of the all too many reasons why HVAC systems fail. If you missed that edition and are interested in that topic e-mail us and we will gladly send it to you. We will follow up with more discussion of that important topic in later editions

    William R. Acorn
    Facilities which utilize hazardous liquids and gases represent a significant potential liability to the owner, operator, and general public in terms of personnel safety and preservation of assets. It is obvious that a catastrophic incident or loss of property or personnel is to be avoided at all costs. This book was conceived to give the reader a guide to understanding the requirements of the various codes and regulations that apply to the design, construction, and operation of facilities utilizing hazardous materials in their processes.
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    Lydia M. Contreras, PhD
    Principal Investigator
    Dept. of Chemical Engineering, UT-Austin
    Austin TX 78757
    USA
    phone: 512-471-2453
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    Contreras Lab works at the interface of RNA Biology and Systems Biology to solve complex problems in medicine and biotechnology. They apply fundamental concepts that emerge from experimental (and computational) work to develop novel applications that could beneficially impact human health and biotechnology.

    Clients have included:
    • Companies interested in measuring the effect of devices on reducing cellular toxicity from pollutants
    • Companies interested in new technologies for designing/engineering microbial systems to produce new chemicals
    • Pharmaceutical companies looking at nucleic acid drug target candidates to help design better drugs against these targets
    • Government agencies to judge the potential impact of proposals on bioinformatics methods and biotechnologies
    Lydia M. Contreras, PhD, is a Chemical and Biomolecular Engineer and Principal Investigator at The University of Texas at Austin Department of Chemical Engineering.

    Dr. Contreras was an NIH Postdoctoral Fellow of Infectious Diseases elected by the Division of Developmental Genetics and Bioinformatics at Wadsworth Center-New York State Dept. of Health in Albany, NY. She received training at the world renowned RNA institute in Vienna in Nucleic Acid Biochemistry.

    Dr. Contreras' research focuses on innovating in vivo technologies to understand and design cellular regulation patterns in living systems (e.g. microbes and human cell models) for enhanced production of chemicals, as well as for novel biomarkers of environmental cellular toxicity and biomedical applications.

    View Dr. Lydia Contreras' Expert Witness Profile.
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    Kurt D. Humphrey
    Managing Director, Principal Technologist
    3780 Masters Drive
    Colorado Springs CO 80907
    USA
    phone: 719-331-9788
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    IP Enginuity (IPE) was established to meet the growing demand for expert engineering services in the Intellectual Property (IP) and Patent Licensing and Litigation sectors. Their clients include Global Top 10 high-tech OEMs, intellectual property / patent owners, patent brokers, NPEs, and leading IP law firms.

    IPE Services:
    • SME Patent Analysis and Technology Landscaping
      • Patent Portfolio Mining
      • Patent Evaluation
      • Prior Art, Freedom to Operate, Patentability and Invalidity Searches
      • M&A IP Due Diligence
      • Technology Landscaping and Competitive Intelligence
    • Patent Litigation, Licensing, and Enforcement
      • Evidence of Use and Infringement Claim Charting
      • Product / Material / Protocol Analyses and Technical Investigations
      • Reverse / Forensic Engineering and Failure Analyses
      • PTAB Actions: IPR and PGR Petitions and Responses, SME Trial Support
      • Expert Reports
      • Subject Matter Expert Witness Services
    Managing Director and Principal Technologist, Kurt D. Humphrey, has over 30 years of commercial Process Development and Engineering, Corporate R&D, Reverse Engineering / Failure Analysis and Patent / SME Consulting experience. With access to the best research tools, databases, labs and test equipment available, he and his team of SMEs are able to solve the mostdemanding and complex Intellectual Property technology issues.

    An accomplished inventor, Mr. Humphrey holds patents in the areas of oxygen sensors, MEMS, and semiconductor process technology as a result of his innovative work with General Motors Corporation, United Technologies, and Rockwell Science Center. In his previous position as Director of Engineering Programs at TAEUS International, he managed numerous patent evaluation and product investigation projects for many Global 100 high-tech companies in the U.S., Europe, Japan, and Korea.

    View Kurt Humphrey's Expert Witness Profile.
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    Alan Schwartz
    Executive VP
    55 Northern Blvd.
    Great Neck NY 11021
    USA
    phone: 516-482-9001
    fax: 516-482-0186
    mdi Consultants, Inc - Experts in FDA regulatory affairs, quality assurance and ISO 9000 certification. With 6 years in the FDA and 26 years consulting to the industry, mdi Consultants, Inc. has been an invited Speaker worldwide on FDA regulations and policies and has obtained FDA expert status as third party auditors.

    OUR APPROACH

    We utilize the following three part approach to providing high quality services to our clients:
  • Unsurpassed consultant experience – we identify and recruit only top quality consultants with deep industry knowledge to provide the most complete and insightful advice to our clients
  • Up-to-date systems and processes – we have highly defined systems (e.g. manuals, training programs, technical files) and processes (e.g. audit methodologies, 510(k) submission, validations) that are constantly refined and kept current across the ever changing regulatory environment
  • Involvement in regulation development – we stay ahead of policies by participating in the development of regulation (e.g. HACCP, Scientific Advisor to U.S. Congressmen)
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    George Yanulis, MEng, MS, DEng
    210 Ashley Run
    Voorhess NJ 08043
    USA
    phone: 216-571-1532
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    Medical Device Consulting, LLC provides Biomedical, Clinical, and Forensic Engineering services to hospital systems, medical device companies, insurance carriers, and legal practitioners in both medical device liability and patent cases.

    Medical Device Consulting, LLC offers Medical Device Research and Development and Clinical Engineering Consulting Services for medical instrumentation devices including:
    • Cardiovascular and neurological device design issuesIntellectual property related to medical devices and imaging systems
    • FDA medical device regulatory compliance controls
    • FDA regulatory issues of medical devices
    • FDA device verification and validation
    Principal, George Yanulis, MEng, MS, DEng, is a nationally recognized Cardiovascular Device Product Development and Research Engineer and has conducted cardiovascular device research at the Cleveland Clinic Foundation. He has published in the areas of atrial fibrillation (AF), cardiac pacing, and congestive heart failure devices.

    Dr. Yanulis has a Doctorate in Engineering in a joint program between Cleveland State University and the Cleveland Clinic Foundation in Biomedical Engineering; a Master of Science from the University of Pittsburgh; and a Master of Engineering in Biomedical Engineering from the University of Virginia.

    Dr. Yanulis’ Medical technology experience has consisted of familiarity with the design, use, and applications associated with a variety of medical devices and software used for: cardiac pacing, ventricular assist, cardiac echocardiography and electrophysiology, vascular stents, physiological monitoring, medical imaging, neurological therapy, surgery, among others. He is currently teaching a cardiac device course in Temple’s Bioengineering Department and has been involved in research and development of cardiac pacing systems at the Cleveland Clinic.

    View Dr. Yanulis' Expert Witness Profile.
    7/12/2017 · Failure Analysis
    Plaintiff was admitted to a health care facility with ventricular tachycardia (VT). He had a normal coronary angiography with moderate left ventricular (LV) function and was referred for an implantable cardiac defibrillator (ICD) implant procedure. A diagnosis of right ventricular outflow tract tachycardia was made. He was then admitted for an ablation procedure in March 2005, which was successful. In April 2005, he was readmitted with a further occurrence of tachycardia which required emergency cardio version due to hemodynamic compromise and a temporary pacing wire was placed. There was a further attempt at ablation that was again successful and the LV function noted now to have deteriorated and was noted as having poor functioning. On this basis he was considered a candidate for an ICD implant. There was a further reoccurrence of an episode of ventricular tachycardia (VT) in March and April 2006 which was treated medically and he was discharged.

    6/13/2017 · Medical
    The Medtronic's Enpulse Model E2DR21P Serial number PMU411109 as well as the Atrial Lead (model #496525, SN: LBT042477R-Epicardial Unipolar and the Ventricular Lead (model #496525, SN: LEN036731R- Bipolar Epicardial had been used to continually pace patient in the DDD pacing mode during patient's lifetime. The expert referred to all Medtronic specifications; warnings; and advisories relevant to both the pacemaker and pacing leads used for pacing this completely pacemaker dependent patient).

    8/30/2012 · Medicine
    Protocols for producing experimental heart failure by rapid ventricular pacing are well established [1]; however, for safety reasons, commonly used clinical pacemakers do not allow pacing rates that are sufficient to induce either heart failure (HF) or atrial fibrillation (AF).

    6/27/2012 · Medical
    Cardiac resynchronization therapy (CRT) has been shown to improve symptoms and survival in patients with systolic dysfunction and prolonged ventricular depolarization (wide QRS).1-8 However, atrial fibrillation (AF) may cause significant problems in these patients, particularly when the ventricular rate exceeds the device programmable rate.

    4/23/2012 · Medical
    Recent studies have demonstrated that ventricular rate control is a viable treatment strategy for patients in atrial fibrillation (AF). The purpose of this study was to determine whether or not the benefits of coupled pacing (ie, a proposed rate control therapy) could be used during persistent AF.

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    Dr. Bruce C. Hemming
    PhD, President/CEO
    See Multiple Addresses Below
    St. Louis MO 63119-3421
    USA
    phone: 314-645-2177 or 800-688-9144
    fax: 314-645-2544
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    Microbe Inotech Laboratories, Inc. (the MiL, Inc.) is a full Microbiological Lab that provides consulting service through five distinct laboratory sectors: Environmental, Food Safety, Industrial Hygiene, Pharmaceutical / Biomedical, and Governmental. The MiL's goal is to solve problems related to microbial detection and identification. They work with many top companies performing research and development as well as microbial testing.

    Dr. Bruce C. Hemming, PhD - President & CEO of Microbe Inotech Laboratories, Inc. (The MiL, Inc.) is an accomplished science and business professional with over 40 years of real-world experience in Microbiology and its practical applications. He currently serves on three biotechnology committees for multi-disciplinary teams involved in original research. He has earned several patents on his research within the field of microbiology.

    Helix Center (Core Lab)
    1100 Corporate Square Drive, Ste. 225
    St. Louis, MO 63132
    Telephone: 800-688-9144
    Microbe Scan, LLC
    1100 Corporate Square Drive, Ste. 224
    St. Louis, MO 63132
    Telephone: 800-688-9144


    View Dr. Hemming's Expert Witness Profile.
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    Michael Arrigo
    620 Newport Center Drive
    Suite 1100
    Newport Beach CA 92662
    USA
    phone: 949-335-5580 x101
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    Michael Arrigo - Managing Partner, Health care Practice works with health systems, health IT companies, and health plans.

    He has in-depth experience in HIPAA mandates, the HITECH Act and Patient Protection and Affordable Care Act (PPACA) and is a published author and regular speaker. He consults to clients including Health IT investors, Health IT companies, and health plans and hospital systems in matters regarding:
    • HIPAA 5010
    • ICD-10
    • Revenue Cycle Management
    • Meaningful Use of Electronic Health Care Records
    • Quality Measures for Medicare Advantage Hospital Value Based Purchasing
    • Medicare Advantage HEDIS 5-Star Ratings for Health Plans
    Mr. Arrigo was recently quoted in the Wall Street Journal Venture Capital Dispatch regarding medical coding standards and Wall Street Journal Health Blog regarding venture-backed information-technology companies that serve hospitals and health insurers. He provided a macroeconomic analysis of the reimbursement risk of the transition to ICD-10 CM and ICD-10 PCS on the U.S. health care economy in comparison to the impact of the mortgage backed securities devaluation and diligence work for a premier venture capital firm in the U.S on their investment in medical analytics, a health plan, physician group, and accountable care organization solutions.

    View Michael Arrigo's Expert Witness Profile. Degree from University of Southern California in Business Administration, UC Irvine Economics and Computer Science, Stanford Medical School biomedical informatics, Harvard Law School bioethics. Rule 26 disclosure includes over 35 cases, two recent trial appearances, arbitration. Recent Department of Justice retention resulted in $155 million settlement.
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    T. Kim Parnell, PhD, PE
    Principal
    1150 Kelsey Dr.
    Sunnyvale CA 94087
    USA
    phone: 408-203-9443
    Parnell-Engineering-Logo.jpg

    Medical Device, Biotech, Failure Analysis, Mechanical Eng, Materials, Design, Reliability, Consultant

    Kim Parnell Mechanical Engineer Expert PhotoParnell Engineering & Consulting (PEC) is a high-tech Mechanical Engineering Consultancy located in the heart of Silicon Valley. PEC focuses on providing technical support for early stage medical device and technology companies nationally and internationally.

    T. Kim Parnell, PhD, PE, Principal and Founder of PEC, is a Mechanical Engineering consultant with strong experience in a number of technology areas. Dr. Parnell holds PhD and MSME degrees from Stanford University in Mechanical Engineering and a BES from Georgia Tech. He specializes in the mechanical engineering design and behavior of Biomedical Devices, Superelastic and Shape Memory Metals (Nitinol), Bioabsorbable Polymers, Composites, Fiber-Reinforced Materials, Electronics, and Consumer Products.. Dr. Parnell consults actively in these areas using finite element analysis and other advanced technologies to improve designs, to perform failure analysis, and to improve reliability.

    Dr. Parnell served on the Mechanical Engineering faculty at Santa Clara University from 2010-2012 and was previously a Visiting Associate Professor at Stanford University. He lectured in the Stanford Composites Design Program, and is a coach and mentor for the innovative Stanford Biodesign Program. He has worked for companies including MSC Software, Rubicor Medical, Exponent Failure Analysis Associates, SST Systems, ATT Bell Laboratories, Stanford University, and General Motors.

    Areas of Expertise:
    • Medical Device / Biotechnology - Cardiovascular, Orthopedic, Orthodontic
    • Patents & Intellectual Property
    • Plastics, Molding, & Manufacturing
    • Composite Materials Design & Damage
    • Materials & Metallurgy
    • Failure Analysis & Reliability
    • Fracture & Fatigue
    • System Specifications & Test Procedures
    • Telephone Set Design; Keypads
    • User Experience & System Interaction
    • User Interface Design
    • Software Design, Development, QA
    • Green Energy: Wind Energy, Electric Vehicles, Battery technology, Solar
    • Structural Mechanics, Fluid Mechanics, Heat Transfer, & Thermodynamics
    • Finite Element Analysis of Structures and Fluid / Heat Transfer (FEA/CFD)
    • Piezoelectric components
    • Transducers, Accelerometers, MEMs
    • Vehicle & Heavy Truck Crash Worthiness
    • Shock & Vibration Sensitivity
    Selected Professional Memberships:
    • Registered Professional Engineer (Mechanical), California
    • ASME (American Society of Mechanical Engineers), Fellow
    • SAE (Society of Automotive Engineers), Member
    • IEEE (Institute of Electrical & Electronics Engineers), Senior Member
    • ASM International, Member
    • SMST (Shape Memory and Superelastic Technologies), Member
    View Dr. Parnell's Expert Witness Profile.
    Rail residual stress distributions can be complex and variable in nature, as different manufacturing techniques produce varying stress magnitudes and distributions. To evaluate the effect of residual stresses on rail integrity, an analysis technique was sought that could quantify the effect of these stresses on web crack propagation.

    The computer program LS-DYNA3D was used to simulate the behavior of a specific, though representative, heavy truck cab-over tractor-trailer vehicle during a full 180° rollover event. These simulations provide a key component in the development of a physical testing procedure for evaluating structural integrity and occupant crash protection system designs in heavy trucks.

    2/18/2014 · Medical
    The United States Food & Drug Administration (FDA) requirements for Class III implantable medical devices requires a 10 year life, or approximately 400 million cycles of service.

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    David A. Preiss, MD, PhD
    66 Mill Street
    Newton MA 02459
    USA
    phone: 617-777-4289
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    David A. Preiss, MD, PhD, has practiced General Anesthesia for 7 years and works in diverse practices, including academic, private, and community. Dr. Preiss has experience in general surgeries including neurosurgery, orthopedic, urology, gynecology, ambulatory, plastic, gastric, endoscopy, and interventional radiology.

    Dr. Preiss earned an MD from Boston University School of Medicine and a PhD in Applied Science and Engineering (Biomedical) from the University of Toronto. His background in biomedical engineering has facilitated application of his medical knowledge to a variety of other fields, including Medical Records Analysis and Biotechnology.

    Dr. Preiss is currently an Epic MD Lead in the Department of Anesthesiology, Perioperative, and Pain Medicine at Brigham and Women’s Hospital in Boston, Massachusetts, and an Assistant Professor of Anesthesia at Harvard Medical School.

    A leader in his field, Dr. Preiss has been honored with the Excellence in Anesthesia Award from Brigham and Women’s Hospital in 2016, the Shore Fellowship in Medicine Award from Harvard University in 2016, and the BWH Research Institute Grant in 2015. He has delivered presentations on topics within his expertise around the nation and internationally including Canada, Switzerland, Italy, and Bolivia.

    Litigation Support - David A. Preiss has consulted on cases has been retained as an expert in Pain Medicine and Anesthesiology for several years. He has worked with complex medical cases since training and continues to work across broad areas of anesthesia. Dr. Preiss' services are available to attorneys representing plaintiff and defendant and include medical case review, written reports, depositions, and trial testimony as needed.

    Areas of Expertise:
    • Out of OR Anesthesia
    • Medical Records
    • General Anesthesia
    • Biotechnology
    • Respiratory Physiology
  • Narcotic Use / Abuse
  • Anesthesiology Malpractice
  • OR Technology
  • Sedation
  • Endoscopy
  • Colonoscopy