Engineering (General) Expert Witnesses: 99

John L. Ryan, BSME, P.E. is a Mechanical Engineer who provides general Mechanical and Structural Engineering expertise. Mechanical and Safety Engineering (MASE) provides full service analysis and accident reconstruction of products involved in accidents. 

Mr. Ryan's services have been requested for attorneys and insurance companies needing forensic engineering expert witness testimony to determine whether machinery and products involved in injury cases were adequately designed or whether they have a Design, Manufacturing, or Material Defect. All products are lab-tested on site to determine adherence to industry standards and engineering design protocol. Alternate preventative designs are developed when none exist commercially. 

Mr. Ryan is available for both Plaintiff and Defense, depending on the individual case. His services include producing high quality reports and visual aids in the courtroom such as scale models to help explain accident scenarios and alternate designs to judges and juries. 

Areas of Expertise:

• Accident Investigation and Reconstruction
• Machine Guarding Accident Investigation
• Climbing Gym Accidents
• Belay Device Failure
• Rock Climbing Accidents
• Fall Protection Failures
• Ladder Failure Investigation
• Tree Stand Failures
• Industrial Accidents
• Power Press Accidents
• Connection Failures
• Bolt Failures
• Weld Failures
• Testing Products to Industry Standards to Determine Compliance
• Design Defect Analysis
• Structural Analysis of Buildings
• Product Liability Investigations
• General Engineering Injuries and Issues
• Industrial safety
• Engineering Continuing Education
• Product Certification

View John Ryan's Consulting Profile.

Mayotte Design & Engineering, PC (MD&E) is a Civil and Environmental Engineering Design Firm based in East Lansing, Michigan.  Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries.  MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment, and air.

MD&E personnel assist clientele across the US and have completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mexico.

Timothy J. Mayotte, PhD, CPG, PE, President at MD&E, is an Environmental Engineer with over 35 years of experience in his field. He has provided litigation support and served as an expert witness on over a dozen cases dating back to the mid-1980s. Dr. Mayotte's experience includes providing testimony during numerous depositions and in open court. He has offered expertise in the following areas:

• Hydrodynamics of natural and engineered systems.
• Contaminant fate and transport in the environment.
• Biological and physicochemical process design for the treatment/remediation of water, wastewater, soil, and sludge.
• Industrial wastewater treatment.
• Management and inspection of commercial and residential construction and demolition projects, including due diligence services for property transactions.

Matthew J. Hartley is a noted expert in Lighting, Lighting Design, Product Development, AGI32, and Photometry He has been in the Lighting Industry since 1995. In that time, he has held positions in design, product management, customer service, and design engineering. Mr. Hartley has been employed by manufacturers, lighting software companies, and lighting agencies. He has immersed himself in different facets of the industry including indoor and outdoor lighting, safety and security, lighting and human health, and lighting standards. 

Mr. Hartley has been involved with several standard writing committees within the Illuminating Engineering Society of North America, producing over six standard documents. Since 1999, he has taught Lighting and Lighting Design to diverse groups, from students to seasoned lighting professionals. 

Litigation Support - With such diverse experience, Matthew Hartley brings a unique perspective to the legal industry. His has field experience with commissioning, field survey and verification, and troubleshooting of field designs and equipment issues. Mr. Hartley's services are available nationwide to attorneys representing plaintiff and defendant and include site reviews, written reports, depositions, and trial testimony as needed. 

Areas of Expertise:

View Matthew Hartley's Consulting Profile.

Peter Howell, PE, CSP, CFEI, FAIChE  has almost 50 years of experience in the Design, Operation, Maintenance and Management of Chemical and Petrochemical Facilities with positions such as process engineer, project engineer, maintenance foreman, technical manager, engineering manager, plant manager and vice president and general manager.

Mr. Howell has investigated approximately 125 incidents that occurred in chemical plants, refineries, pulp and paper mills and similar industries for attorneys, insurance companies and regulatory agencies. He has determined the root causes using methodologies consistent with NFPA 921, Center for Chemical Process Safety, United Steel Workers, and the National Safety Council.  The root causes determined were based on the evidence, Recognized and Generally Accepted Good Engineering Practices and federal regulations.

Mr. Howell has extensive experience in developing, implementing and auditing the elements of OSHA's process safety management (PSM) regulation and EPA's risk management plan (RMP). He also has extensive experience in accident and incident investigations involving fire, explosion, and release of toxic and hazardous materials.  He He frequently serves as an expert witness and provides litigation support.

Areas of Expertise:

Mark O. Barnett, PhD, PE, BCEE has over 30 years of national and international Environmental Engineering and Science experience in industry, government, and academia ranging from water supply and sanitation in rural communities to nuclear waste disposal. He is currently a Professor of Environmental Engineering in the Department of Civil and Environmental Engineering at Auburn University.

Litigation Support - Dr. Barnett has served as an environmental expert witness-expert consultant on cases in administrative, federal, and state courts ranging from permit applications to toxic tort lawsuits. He has written expert reports, filed affidavits, been deposed, and given testimony. Further, he has extensive litigation experience from his service as an administrative judge with the Nuclear Regulatory Commission. Writing samples, transcripts, and references are available upon request.

Areas of Expertise:

Background Experience - Dr. Barnett is a licensed professional engineer and a board-certified member of the American Academy of Environmental Engineers and Scientists. His technical research focuses on the chemical processes controlling water quality and contaminant behavior in natural and engineered systems. He has been a principal or co-principal investigator on seventeen grants totaling over $12 million, and he has published over fifty peer-reviewed journal articles, several book chapters, and a book that collectively have received over three-thousand citations.

Dr. Barnett has a B.S. in Chemical Engineering and an M.S. in Environmental Engineering from the University of Tennessee and a Ph.D. in Environmental Sciences and Engineering from the University of North Carolina. He has taught fundamental and applied courses in environmental and aquatic chemistry; water and wastewater treatment; environmental engineering principles and design; and sustainable design and development.

Florida Office:
Andrew Avalon, PE, PSP
Chairman & CEO
8633 Willow Kane Court
Orlando, FL 32835
aavalon@long-intl.com
T: (407) 445-0825     F: (407) 650-3399

Long International provides expert engineering and construction claims analysis, expert testimony, project management consulting, and insurance claims analysis services. We focus on projects in the following industries: building and construction; gas, gasification, GTL, LNG, and NGL; industrial and manufacturing; mineral and mineral processing; offshore oil and gas; oil sands; pipelines and utilities; power; refineries, petrochemical, and chemical; transportation; and water, wastewater, dams, and marine. We analyze claims, not limited to, disputed change orders, schedule delay, acceleration, time extensions, liquidated damages, loss of productivity, defective specifications, and deficient project management performance.

Richard J. Long, P.E., P.Eng., Founder of Long International, has over 50 years of U.S. and international consulting experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and process engineering. As an internationally recognized expert in the analysis and resolution of complex construction disputes for over 35 years, Mr. Long has served as the lead expert on over 300 projects having claims ranging in size from US$100,000 to over US$2 billion. He has presented and published numerous articles on claims analysis, entitlement issues, CPM schedule and damages analyses, cumulative impact claims, and claims prevention.

Rod C. Carter, CCP, PSP is President of Long International and has over 20 years of experience in construction project controls, contract disputes and resolution, negotiations, mediation, arbitration support, and expert testimony on scheduling, loss of productivity, and quantum issues.  He has experience in entitlement, schedule, and damages analyses on over 30 construction disputes ranging in value from US$100,000 to US$7 billion, related to oil and gas, oil refinery, LNG, heavy civil, nuclear, environmental, chemical, power, industrial, commercial, and residential construction projects. Mr. Carter specializes in loss of productivity, cumulative impact, and quantum calculations, and had a lead role in assessing damages on more than a dozen major disputes.  In addition, Mr. Carter has developed cost and schedule risk analysis models using Monte Carlo simulations to address the uncertainty of estimates and claims.

Scott M. Francis, P.E., PSP is a Vice President of Long International and has over 20 years of experience in project management, contract disputes analysis and resolution, CPM schedule preparation, execution, and analysis, productivity analysis, contract administration, design engineering, construction management, and government contracting.  He provides schedule development and assurance services, cost estimating, and claims analysis services on projects for both owners and contractors.  Specific responsibilities include CPM development and reviews, CPM schedule delay and acceleration analyses, change order impact analysis, issue identification, correlation of impacts to schedule activities, and productivity evaluations.

Derek B. Gilboe, PE, a Metallurgical Engineer with over 30 years of experience, focuses on asset integrity using knowledge of metallurgy, materials, and processes in multiple industries on four continents in environments from arctic to desert in onshore and offshore conditions. He brings extensive knowledge in standards and regulations relating to Oil and Gas Piping and Pipelines.

Mr. Gilboe has experience with operators, service providers, and consultants on projects ranging from $100k to over $5 billion. His specialty has been midstream and piping, focusing on forensic engineering, integrity engineering, and failure investigations.

Litigation Support - Mr. Gilboe provide analysis and opinions for legal cases and is open to any client requiring expert witness services for a legal case or an organization requiring fractional engineering services. He can explain complex engineering concepts, principles, methods, and standards in a clear and understandable way. He analyzes, evaluates, and verifies engineering evidence, such as documents, drawings, calculations, tests, experiments, simulations, or models and provides independent and objective opinions on the engineering aspects of a case, such as causation, liability, damages, or remedies.

Areas of Expertise:

Tim Keane is recognized nationally and internationally as a Leading Expert on methods to Control, Mitigate and Assess the Risk for Legionella in building and industrial water systems. He has published articles and books on the subject and has co-written regulatory documents including the 2018 and the 2015 ASHRAE Standard titled: Legionellosis: Risk Management for Building Water Systems,  ASHRAE Guideline 12 titled: Managing the Risk of Legionellosis Associated with Building Water Systems, 2005 Guidelines for Ornamental Fountains and the 2000 ASHE Advisory. Mr Keane has over 25 years experience in water system consulting and over 10 years experience in facility design, construction and operation. Legionella Risk Management, Inc. provides consulting services for Effective Engineering Solutions to Engineering System Pathogens including; outbreak investigation, root cause analysis, control and remediation of legionella from water systems in commercial buildings, healthcare and industrial facilities.   We provide Litigation Support in this area.

LECS (UK) Limited  is an International Engineering Firm specializing in Lifts, Escalators, Facade Access and Funiculars (cable cars). With over 20 years of trading history, their specialized engineers are qualified, experienced and carry full professional insurances. Members of the engineering team have all worked for major contractors and have held positions including Senior Engineer, Project Manager and Commissioning / Test Engineers. As a result, LECS has over 150 years of accumulated experience within the key staff of the engineering team and currently employs 10% of the world’s graduates of the MSc in Lift Engineering from the University of Northampton.

LECS (UK) Limited is a member of independent bodies such as ACE, BSI and ConstructionLine. They have an accredited Quality Assurance scheme to ISO 9001 (2008) and are regularly audited. They provide services for many market sectors including overseas projects, hotels, retail, commercial health, local authority and heritage. The engineers at LECS (UK) have extensive experience as Expert Witnesses and Consultants in litigation involving lifts and escalators. Their services include preparing expert reports in accordance with Regulation 35 of the Civil Procedure Rules and also in Criminal cases. They are also available for adjudication and arbitration cases. LECS (UK) expert witness services have been called on in overseas situations including Gran Canaria, Dubai, Hong Kong, Spain and Turkey.

Services Include:

• Expert Witness - Litigation Support
• Statutory Inspections
• Maintenance Audits
• Acquisition & Condition Surveys
• Project Management
• Traffic Analysis
• Risk Assessments
• New Installations & Modernization Specifications
• Maintenance Specifications
• Training
• Portfolio Management

• Locus Reports
• Personal Injury Photography Reports

• Interpretation
• Translation
• Witness Statements
• Document sign up service

Randal Hill, PhD, Thought leader in chemistry, materials science and intellectual property.  Award winning PhD scientist with 30+ years in applied chemistry.  Visiting Scientist at MIT for 5 years to foster silicone-based nanotechnology projects.  Holder of 69 issued patents.  Author of Silicone Surfactants book and 60 articles.  Served as Patent Science Advisor to grow patent portfolio by 1500%.  Deveoped display for Amazon Kindle.  Readily adapts expertise to new problems.  Served as adunct faculty at Stanford and University of Minnesota.  Organized two international symposia.  Invited speaker at Gordon Conference and four international colloid meetings.  Associate Editor of Journal of Surfactants and Detergents.  Involved member of American Chemical Society, Society of Petroleum Engineers, American Physical Society, and American Oil Chemists Society. Awards  include 3 Dow Corning Technical Achievement Awards, as well as the AOCS Samuel Rosen Award for Surfactant Chemistry.  

Experience includes fire-fighting foams, well fluids, adhesives, silicone defoamers, formulation of household and personal care products, applications of silicone surfactants, silicone-based nanotechnology for soldier protection, development of pigments for electronic displays.

Background Experience - Dr. Hill began his career at a major detergent company followed by developing sugar-based surfactants. He went on to spend 20 years with Dow Corning developing personal care applications for silicones, leading the pigment science group at E Ink developing the next generation of color electrophoretic ink displays, and leading the Formulation Development group at Flotek to expand the product line by 300% and grow the patent portfolio by 1400%.

Dr. Hill is now known for his work on silicone surfactants, especially for his work on super wetting. During his time as MIT Visiting Scientist with Dow, he also initiated work on silicone-based superhydrophobic surfaces, which led to a publication that has since been cited nearly 1,500 times.

Dr. Hill is the author of 60 publications, including an authoritative book entitled, Silicone Surfactants. He is a highly awarded inventor with accolades that include 3 Dow Corning Technical Achievement Awards, as well as the 2017 AOCS Samuel Rosen Award for Surfactant Chemistry.

Rouzbeh R. Taghizadeh, PhD, is a Regenerative Medicine and Biomedical Engineering Expert offering more than 20 years of expertise as a Scientist, Innovator, and Entrepreneur in the development, processing, manufacturing of tissues, including bone marrow, umbilical cord (blood & tissue), amnion, chorion, placenta, adipose (fat), and other organs for clinical and non-clinical use, while considering the complex regulatory, trade secret, patent claims that arises from these areas.

Litigation Support - Dr. Taghizadeh provides subject matter expertise and expert witness testimony for scientific, technical, regulatory, trade secret and patent claims in the areas of:

Dr. Taghizadeh specializes in adult stem cells, primarily human hematopoietic and mesenchymal stem cells, the regenerative cells involved in successful bone marrow and umbilical cord blood transplantations, uniquely positions him to approach science and business with the same keen powers of insight that have consistently reaped success surmounting scientific and medical barriers in the field. 

He earned his Ph.D. in Stem Cell Bioengineering in 2006 from the Massachusetts Institute of Technology (MIT) and co-founded AuxoCell Laboratories, Inc. as Chief Scientific Officer in 2008 after completing his post-doctoral training from MIT and the Boston Biomedical Research Institute.

View Dr. Rouzbeh R. Taghizadeh's Consulting Profile.

Karl L. Linck, PE, is an expert in Food Industry Production and Packaging with over 45 years of experience. A Professional Engineer in WI, IL, AZ, CA, FL, and ID, his main area of experience is with Sanitary Systems and their Design in Hygienic Food Processing. 

Litigation Support -  Along with design of many food processing / packaging systems and engineering department development and leadership, Mr. Linck has provided expert witness testimony for cases involving IP and Contract issues. His services are available to attorneys representing plaintiff and defendant and include site inspection, thorough reporting, depositions, and trial testimony as needed. 

Areas of Expertise:

 Background Experience - Much of Mr. Linck's career has focused around dry, oils, refrigerated and frozen products in the pasta, natural cheese, processed cheese, appetizer, and entrée areas. He has led strategic growth of engineering functions, including procurement and customization of production equipment, production line layouts and facilities design, automation, packaging material engineering, site selection, and support engineering functions for all production operations and distribution/office needs.  

From 1992 to 2019, Mr. Linck served as Vice President of Engineering for Sargento Foods, Inc., where he provided key technical direction and management critical to growth and assembled the engineering department to support innovation, improvements, and production support with proper engineering/technician skill sets, among other duties.

Mr. Linck is currently the sole proprietor and engineer for Karl Linck, Technical Consulting, where he specializes in engineering educational material development, manufacturing consulting, expert witness work, and expert advice for the food industry.

Carl H. Josephson, PE, SE and Dan R. Werdowatz PE, SE are licensed in 30 states and have over 44 years and 39 years of Structural Engineering experience respectively. They are active and have served in leadership roles in numerous local, state, and national professional structural engineering societies.  They have testified in deposition, trial, and arbitration in over 500 matters throughout the United States and abroad. 

Messrs. Josephson and Werdowatz and their team provide structural assessment and evaluation on a wide variety of matters including construction defects, insurance claims, professional liability claims, standard of care analyses, among others.  Work involves a wide variety of materials and may include vertical, seismic, and wind design and analysis; code review; and construction evaluation.  JW&A is highly experienced in foundations, underpinning, tie-backs, retaining walls, and various geotechnical structures.  JW&A has extensive graphics and animation capabilities in order to make difficult engineering concepts understandable to lay people.  

Litigation Support - JW&A has been retained as structural engineering experts by plaintiff, defense, and cross-defendant clients on over 1,500 matters across the United States and abroad. Designated as experts for homeowner associations, developers, and subcontractor cross-defendants, they strive to provide balanced, well-reasoned and practical solutions to construction litigation problems. They have also been retained as court-appointed neutral experts on several cases.

SE Licenses: CA, AZ, HI, NV, UT, WA, IL, MA, LA, OR
PE Licenses: CO, CT, FL, ID, IN, KS, KY, MD, MI, MO, MS, NM, NY, NJ, ND, OH, SC, TX, WV, WI

Areas of Expertise:

Josephson-Werdowatz & Associates, Inc. Office Locations:

View Josephson Werdowatz & Associates' Consulting Profile.

The four PhD and registered PEs at Miller Engineering are celebrating 40 years of Professorships at three universities along with providing services to Government, Insurance, and Industry—through research, publications, presentations, and expert testimony. We have a dedicated office with a full time staff of engineers, researchers, and technical writers. The span of our collective academic and experiential expertise covers well the Mechanical, Electrical, Chemical, Agricultural, Industrial, Human Factors, Ergonomic and Safety fields of engineering. The areas listed below are from actual projects completed in our 40 years of history.