expert witnesses
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Construction (General) Expert Witnesses: 63
Current Category:
Construction Project Management Expert Witness Amin Terouhid
Amin Terouhid, PhD
Principal Consultant
4 Applewood Dr.
Upper Saddle River NJ
07458
USA
phone: 352-327-8029

Dr. Amin Terouhid is a Principal Consultant with Adroit Consultants, LLC. He leads a vibrant consulting practice on Construction Claim matters especially in the areas of delay analysis, loss of productivity, claims for changes, construction defects, and injury cases.
Litigation Support - With extensive experience working on several large and mega construction projects internationally and throughout the United States, Dr. Terouhid is a recognized expert in preparing and investigating construction claims. He has served numerous times (in more than 100 cases) in the capacity of a consulting expert.
Dr. Terouhid is currently (Feb 2022) involved in one international arbitration case for a multimillion-dollar claim in the court of London and three other cases, including a construction delay and loss of productivity claim for a megaproject in New York, a construction injury case, and a slip and fall case in the United States.
Areas of Expertise:
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Dr. Terouhid is a Professional Engineer (P.E.) in the states of New Jersey, New York, and Texas and has been examined and certified by Project Management Institute (PMI) as a Project Management Professional (PMP) and Risk Management Professional (PMI-RMP), by the Association for the Advancement of Cost Engineering (AACE International) as a Planning and Scheduling Professional (PSP) and a Decision and Risk Management Professional (DRMP), and by SAVE International as a Certified Value Specialist (CVS). Amin was a recipient of the 2018 AACE International Technical Excellence Award.
Dr. Terouhid is the author of five AACE International recommended practices (RPs) that are used as guidelines with valuable reference information practitioners around the globe.
Technology Analysis Expert William Acorn
William Acorn, P.E., CFLC, FASHRAE
Principal
16420 N 92nd St
Suite 224
Scottsdale AZ
85260
USA
phone: (602) 888-7250
fax: 602-888-7250

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.
Certifications and Designations:
- Registered as a Professional Mechanical Engineer in the States of Arizona, California, Colorado, Illinois, Iowa, Nevada, New Hampshire, New Mexico, Oregon, Texas, Utah and Washington.
- 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:
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Litigation Support: 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.
- Forensic Analysis
- Strategic Litigation Consulting
- Trial Demonstratives
- Expert Testimony
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:
- Project Design and Management Consulting
- Forensic Analysis and Litigation Consulting
- Mentoring & Advanced Education
Construction Expert Witness Michael Panish
Michael Panish
Construction, Door, Gate Expert Witness & Consultant
PO Box 725
Woodland Hills, CA 91365
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ALL STATES
USA, International, CAN
phone: 888-902-4272
fax: 818-888-7302

Mike Panish is an expert witness & consultant for most construction trades, specializing in automatic door systems and door sensors, door, door hardware, cabinetry, and architectural millwork. Extensive experience working for plaintiff & defense (Federal & State). Highly credible & solid testimony. Licensed in CA as a General Building Contractor, Electrical Contractor, Door, Lock & Security Equipment Contractor, Cabinet & Millwork Contractor, and Painting & Finish Specialties Contractor. Over 40 years hands-on experience in all construction trades with over 2500 cases since the year 2000. Local to CA & New England. Nationwide Inspection & Testimony in every state and internationally.
Mike Panish is the most retained and the leading expert witness for Automatic Door injuries / Wrongful Death and Door Defects and Injuries. Security issues relating to daycare & healthcare centers. Construction defects, product liability, poor workmanship relating to contractor vs homeowner disputes and contractor fraud.
Areas of Expertise:
- Automatic Door Personal Injury, Wrongful Death Cases
- Door and Door Hardware Personal Injury, Wrongful Death, Defects Cases
- Gates (all types including sliding, parking arm gates)
- Cabinetry, Architectural Millwork, Furniture Personal injury, Defects Cases
- Slip, Trip, Fall / Railings / ADA Personal Injury Cases
- General Construction (all trades) Defects Cases, Personal Injury Cases, Wrongful Death
- Premises Liability, Premises Security for Criminal Cases, Elder Abuse Cases, Wrongful Death
- Building Inspections (all types), Site Evaluation, Product Evaluation, Defect Analysis, Poor Workmanship, Costs & Estimates, Plans Analysis, Proper Installation, Claim Analysis
Featured resources
by George Hedley
by William R. Acorn
by Gene Farmer, AIA, NCARB, LEED-AP