William 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.
Building Systems Analysis:
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.
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.
Acorn Consulting Services
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:
Peter A. Crosby has over 35 years experience in the Medical Devices Industry. He has been the CEO of six medical device companies (public and private) in four countries, and has been a member of the board (including chairman of the board) of over 10 companies.
Mr. Crosby is an accomplished entrepreneur and company builder, and has brought many medical device products to the world market. In 2017, he retired as CEO from Mainstay Medical, after spending over 8 years as the founding CEO, doing several rounds of financing, taking the company public in Europe, and bringing Mainstay’s ReActiv8 to market in Europe. Although he continues to work with the company on a consulting basis, he has shifted his focus to helping other companies grow, as a board member, advisor, and in interim management.
With a university education in Biomedical Engineering, Mr. Crosby is the inventor on over 30 US patents and applications pending. He has managed the intellectual property portfolio of several companies. His clinical domain experience includes ophthalmology, otolaryngology, cardiology, cardiac surgery, orthopedics, pain management, anesthesia, and intensive care.
Litigation Support - Mr. Crosby has served as an expert witness in many cases including product liability, intellectual property (patent disputes), and commercial contracts disputes. He has testified in three cases in which the outcome hinged on interpretation of “commercially reasonable efforts.” Mr. Crosby's services are available to attorneys representing plaintiff and defendant.
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1100 Corporate Square Drive, Ste. 225
St. Louis, MO 63132
|Microbe Scan, LLC |
1100 Corporate Square Drive, Ste. 224
St. Louis, MO 63132
T. Kim Parnell, PhD, PE is a Professional Mechanical Engineering consultant and is Principal & Founder of Parnell Engineering & Consulting (PEC). 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. He is an ASME Fellow, an IEEE Senior Member, and a Member of ASM and SAE. Dr. Parnell is Past-Chair of the IEEE Santa Clara Valley Section (IEEE-SCV) (over 12,000 members) and Past-Chair/Board Member of the IEEE Consultants' Network of Silicon Valley (IEEE-CNSV). Dr.Parnell is an experienced Expert Witness, has provided testimony in both trial and deposition, and has authored numerous expert reports PGR 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 are in the news and adjudicated in MDLs. Products include IVC Filters (Inferior Vena Cava Filters), Pelvic Mesh, Transvaginal Mesh, Intragastric Abdominal Balloon Weight Loss Systems, Back Pain Reduction Systems, and others. Dr. Parnell brings both breadth and depth of experience to clients. He has over 34 years of professional consulting experience, has taught both graduate and undergraduate University classes (Visiting Professor at Stanford University & Adjunct Professor at Santa Clara University), and has also worked in industry. His industrial positions include sectors such as software, hardware, medical devices, and telecommunications equipment. He has extensive experience in areas including patents, medical devices, Nitinol shape memory alloy material, mechanical failure of products or equipment, and material failure by fracture or fatigue. Dr.Parnell frequently works with early-stage companies as both a technical consultant and a business advisor in sectors including medical devices and flash memory technology.
Areas of Expertise:
Selected Professional Memberships: