Mechanical Engineering Expert Witnesses: 31

David Smith is an experienced mechanical engineer (MS, PE) with seven issued patents. Award-winning inventor. Vice President of Alpine Engineering and Design, a mechanical engineering consulting company with clients around the United States ranging from individual inventors to Fortune 500 companies. Worked on the development of multiple successful products including among other things: aerial lifts, garbage trucks, thrill rides, ziplines, trailers, oil and gas equipment, exercise equipment, manufacturing equipment, and multiple consumer products. 

Graduated Cum Laude with a bachelor's degree in mechanical engineering. Completed a master's of science degree in mechanical engineering and an MBA with an emphasis in product development. Licensed professional engineer (PE) and certified safety professional in comprehensive practice (CSP). Certified trainer for boom lifts, scissor lifts, rough terrain, and counterbalanced forklifts. Over 10 years of experience in product development, patents, equipment safety, and risk assessments. 

Experienced expert witness having drafted over 200 reports/declarations in patent cases and catastrophic injury and death cases. Designed and built multiple custom testing devices to obtain data and evaluate opinions. Created multiple demonstratives to explain the mechanics and circumstances of accident sequences and patented devices. Testified in deposition 11 times and in trial once.

Expert Witness Services Professional Expert Reports Testing Forensic/Failure Analysis Accident Reconstruction Demonstratives Inspections/Measurements Compliance with Standards Expert Testimony Patent & Patent Related Issues Patent Searches Provisional Patent Complete with Illustrations Patent Infringement Review

Product Development Innovative Concept Multi-Industry Experience Powerful Design Tools Full Service Fabricating Materials Design Analysis Finite Element Analysis (FEA) Hydraulics, Pneumatics, Electrical Structural Integrity Tests Value Analysis

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:

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

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

Dr. Adam K. Aleksander, PhD, PE, CSP, has over 40 years of experience in the areas of Mechanical Engineering, Human Factors, and Safety Engineering. He combines both academic credentials and active work in industry to provide a grounded perspective in Product Liability, Industrial Incidents, Warnings, and OSHA related issues. He is also a VP of an Energy Services firm, with over 35 overseas assignments related to forensic services, power utility issues, and equipment failures.

Dr. Aleksander has been a practicing engineer since 1972, focusing his Manufacturing, Consulting and Forensic investigations on Problem Definition and Root Cause Analysis of complex problems in confidential issues. His firm has experience encompassing an enormous variety of claims, from large $45 million dollar dam claims, to environmental clean-up claims, to small road construction claims. His litigation services often involve reconstruction, perception reaction studies, warnings, equipment operation, mechanical failures, industrial accidents, skiing, and bicycling injuries.

As an Expert Witness, Dr. Aleksander has worked with many clients, including plaintiff's and defendant's attorneys, both civil and criminal, attorneys representing corporations, corporations in the power utility area, and corporations that produce products. His services are also available to insurance executives with complex claims issues that involve industrial or utility related losses. Dr. Aleksander has been retained over 125 times in a wide range of technical investigations.

Litigation Expertise:

• Product Liability - Design, Manufacturing and Marketing Defects, Involving Damage, Injury or Fatality
• Equipment Failures - Proximal Cause of Failure with Contributing Factors
• Human Factors, Visibility, Ergonomics, and General Research Issues - Product Usability, Warnings, Instructions, Perception, Reaction Time, Visibility and Conspicuity Issues
• Construction, OSHA, and Safety Engineering - Regulatory and Safety Issues
• Industrial Projects
• Power Utility - Service and Equipment Failures

View Dr. Aleksander's Consulting Profile.

Ole E. Haaland, PE, has thirty four years experience in Power Production, Design, Construction, and Commissioning, with 30+ years managing people and projects. Mr. Haaland's experience is in conventional, nuclear, and alternate fuel power plant mechanical and electrical systems. He has performed as Project Manager, Construction Manager, and Commissioning Manager for several Greenfield power projects.

Mr. Haaland held a senior reactor power operator's license and a number of senior engineering positions at the New York Power Authority prior to joining ANNA. Mr. Haaland received his BSME from the New York Institute of Technology and is a registered professional engineer in many states. He was recently elected to the EGSA Board of Directors for 2015-2017.

Litigation Support - Ole Haaland conducts root cause analysis investigations for counsel representing Plaintiff and Defense. When needed, he provides expert witness testimony for power plant design, construction, and operational failure issues and for parties involved in contract disputes.

Areas of Expertise:

Switchgear Voltage Regulators Turbine Generators Control Systems Hydro Generators Diesel Generators

Condensate Polishers Feed Water Heaters Main Condensers Moisture Separators Electrical Breaker Failures Operational Failures

View Ole Haaland's Consulting Profile.

Karl R. Leinsing, MSME, PE, President of ATech Designs, Inc., is a Professional Mechanical Engineer who specializes in Medical Device Product Development from concept to production. Mr. Leinsing has been granted over 40 patents (needle free IV valves, laparoscopic devices, needlescopic devices, suture lockers, catheters, mitral valve repair devices, sleep apnea, CPAP, catheter dressing, stapler, knitting machines) and excels in solving the most complicated problems and design challenges. Mr. Leinsing also has experience with e-cigarettes, vaping devices, bedside glucose monitors, pumps of all types, continuous glucose monitors (CGM), auto-syringe, pen injectors, peritoneal dialysis, wound dressings and pumps, IV systems, bone anchors/plates/screws, suture devices, urinary incontinence devices, urinary catheters, AAA stent graphs, fixation devices, and many other medical devices.  His company has a fully equipped medical lab with calibrated measurement and test equipment and all is fully documented with high quality reports with pictures and video to provide credible results and easy to understand compelling data.

The winner of five design awards, Mr. Leinsing is recognized as one of the top 100 medical device professionals in the nation by MD&DI. For dedication to his industry, he was made the 2014 Chairman of the Medical Device and Manufacturing Conference in Anaheim, CA. Mr. Leinsing has also been acknowledged for his work in a publication by Life Magazine. Mr. Leinsing offers litigation support services to the legal community. He has extensive experience with Patent and Product Liability cases including report writing, depositions, and testimony.

Areas of Expertise:

Intravenous (IV) Systems & Disposables Hernia Repair Endometrial Ablation Laparoscopic Instruments Injection Ports Catheters Heart Valve Repair / Replacement Subcutaneous Ports

Bed Rails Cervical Screws Syringes, pen injectors, auto-injectors IV / Insulin Pumps Glucose Monitors Peritoneal Dialysis Pumps Abdominal Aortic Aneurysm (AAA) Repair Sleep Apnea Devices (CPAP)

View Karl Leinsing's Consulting Profile.

Thomas H. Burtness, PE, is an Electrical Engineer specializing in both Electrical and Building Construction - equipment selection, specification, and installation (actually “working with the tools”), as well as cost control techniques.

Background - Mr. Burtness has 40+ years of experience in the design, specification, construction contract administration, installation, startup, and troubleshooting of electrical power, on-site generation, distribution, control, and instrumentation systems and equipment for residential, commercial, industrial, and municipal occupancies. His experience also includes water, wastewater, and stormwater treatment plants, and military facilities.

Additional expertise includes Illumination Engineering for street, roadway, and area lighting including photometric footcandle requirements, calculations, field verification, equipment specifications, installation, and analysis of failure, glare, overlighting and underlighting.

Litigation Support - Since, 1981, Mr. Burtness has been providing forensic electrical engineering services to insurance companies and attorneys including accident and failure investigations, determination of cause and origin, litigation support, expert opinions, reports, and testimony. His services are available nationwide, with PE registration by comity available in most states.

Cases Involve:

Industrial Accidents Electrocution Personal Injury Fire Equipment and Machinery Failure

Failure of Safety Circuitry Grounding Lightning Damage and Fire Construction Defects / Contract Claims Design and Specification Disputes

View Thomas Burtness' Consulting Profile.

Chet  Sandberg, P.E. received a BS in Mechanical Engineering from MIT and a MS in Electrical Engineering from Stanford. He is a professional engineer in the state of California and an IEEE Fellow.

Background Experience - Litigation Support - Mr. Sandberg is an Expert Lithium Ion Battery  and Heat Transfer Expert with successful litigation in Lithium Ion Battery Failure.  He has court room experience, including testifying before the ITC in Washington DC. Mr. Sandberg is available to attorneys for both plaintiff and defendant. Mr. Sandberg joined the Chemelex Division of Raychem Corporation where he managed technology projects for 30 years. He held various positions at Raychem culminating as Chief Engineer.

For the next 6 years, Mr. Sandberg managed the development of a downhole, self-regulating electrical heater technology for Shell Oil. In 2009, he founded C L Sandberg & Associates, a consultancy specializing in Energy Projects, including managing customer engineering for Altairnano, a lithium ion battery manufacturer.

Mr. Sandberg has been associated with Electrical Energy Storage at EPRI, ESA, Sandia, and PNNL, as well as providing due diligence expertise for venture capital and private equity companies on their technical prospective investments. He has been granted 30 United States Patents and has authored over 70 technical papers on energy usage, electric heat tracing, ground fault technology, fiber optics, sensor technology, and personal computers as design tools. 

 Areas of Expertise:

Lithium Ion Battery testing and failure analysis Novel Battery Technology Energy Storage Electrical Ground Fault Protection Powerline Carrier Technology Heat Transfer Backup Power Supply Oil Field Heating and Instrumentation Engineering Safety Requirements in Nuclear Power Generation

Hazardous Safety of Explosive Gases Process Control Software Instrumentation Hardware Fiber Optic Data Transmission Fiber Optic Sensors Heat Tracing Economic Analysis of Energy Usage

James Caylor, PE, is an independent consulting Mechanical Engineer specializing in NH₃ and CO₂ Refrigeration Systems used in process and cold storage applications. Clients have included Leprino  Foods, Safeway, Dreyer’s, Tyson, ConAgra, Unilever, Nestlé, Imperial Irrigation District, Lineage Logistics, and Grupo Kuo (Kekén).

Background Information - Mr. Caylor's first 15 years in the refrigeration business were spent as a service and startup technician, including a UA steamfitter apprenticeship, 11 years in the industrial field and the final 8 years self-employed as Caylor Refrigeration. He then returned to college and graduated from Arizona State University in 2000 with a BSME. 

Mr. Caylor worked as a project engineer for two design/build contractors and became a PE before moving to Tyson Foods’ corporate design group in 2005. He joined Jacobs Engineering’s Food and Beverage Group in Fort Worth in 2007, finished in 2013 as Deputy Director in charge of all refrigeration projects and opened his own consulting firm in 2014.

Litigation Support - Mr. Caylor has been retained in seven expert witness cases, including one completed and two more scheduled  depositions. Two of these are currently preparing for trial and one for arbitration. Disputes tend to fall into one of three categories:  

Component Function - System Design / Installation/ Operation - Regulatory Compliance

Mr. Caylor has also consulted for lawyers representing a food processing firm facing EPA citations at multiple plants. His forensic analysis services are available to attorneys representing plaintiff and defendant and include site review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

System Design and Design Review (owner’s agent) Mechanical Code Review (IIAR, IFC/IMC, ASME B31.5, ASHRAE Std 15) Operational analysis Industrial Process Refrigeration Cold Storage

Ammonia Carbon Dioxide Piping Insulation OSHA / EPA

View James Caylor's Consulting Profile.

Michael A. Pollock, PE, USPTO, is a Mechanical Engineer responsible for the design and engineering of commercial, industrial, manufacturing, institutional, and residential venues, as well as efforts relating to services and products used in and around these facilities. Mr. Pollock's full CV can be viewed at cogentexpert.com.

Business and industries include electronics, safety and construction, building materials, polymers and plastics, instrumentation manufacturing, petrochemicals, chemicals, pharmaceuticals, colleges, athletic facilities, textiles, coatings and resins, food storage, biosciences, supermarkets, inks & pigments, automotive, facility and real estate operations, agricultural, transportation, nuclear, healthcare, nutrition, retail, distributors, pulp and paper, packaging, utilities, apparel, and R&D centers.

Litigation Support - Mr. Pollock is a subject matter expert in Commercial and Industrial Engineering Applications and Projects, as well as engineering standards and applicable codes (ASHRAE, ASME, NIST, NFPA, NBIC, ASTM, SAE, LEED, ASCE, GMP, ISA, BOCA, and EPA Regulations.) He has engaged with local, state, and governmental officials and agencies regarding numerous matters over his commensurate years of experience.

Areas of Expertise:

Investment Engineering Economics Mechanical Engineering Standard of Care Architectural Standard of Care Construction Delay Construction Defect Construction Schedule Analysis Accident Analysis Metallurgical Failure Rotating Equipment Electrical Failure Chemical Failure Processes Instrumentation and Controls

Chillers Coatings Refrigeration Thermodynamics Water Treatment Steam Systems and Boilers   Power and Utilities Energy Conservation Environmental Impact Safety HVAC Project Management Product Development

Registrations

• Professional Engineer: PA (PE075410)
• American Bar Association (ABA) – Construction Forum
• Environmental Protection Agency (EPA) Clean Air Act Certification – Universal (includes Chillers, HVAC & Refrigeration)
• United States Patent & Trademark Office Registered (USPTO)                              

Forensic Consulting Experience

Warehouse Distribution Facility – Maryland - Evaluated a $10M (million) claim relating to purported construction defect claims by the 600,000 sq. ft. facility owner against the facility construction contractor and an original equipment manufacturer relating to installed infrastructure in the facility. Developed an expert opinion and expert report regarding the analysis of the purported defects and a proposed repair solution to correct said defects. 

 Psychiatric Hospital Facility – North Carolina – Evaluated a $28M (million) construction claim by the general contractor against a hospital facility concerning a $100M facility construction project.  Developed an expert opinion and report for general construction issues, constructability, design revisions, and corresponding delay analysis for mechanical, HVAC, electrical, smoke and fire, structural, security and building automation systems. 

Forensics Consulting Work-in-Progress 

• 2022 – International Trade Commission (ITC) Matter – Resin Manufacturing Facility Construction Delay / Completeness Analysis
• 2022 – Mechanical Systems Coatings Matter Analysis
• 2021 – Industrial Manufacturing Facility Standard of Care Matter, Construction Defect, Construction Delay     
• 2021 – Electrical Distribution System Construction Defect Matter, Standard of Care
• 2021 – Hotel Facility HVAC Materials of Construction Related Defect Matter

Paul Eason is a Licensed Professional Engineer, Nationally Certified Fire & Explosion Investigator and Forensic Consultant. His expertise comes from a strong background in industry and academia. In addition to his consulting practice, he is a professor in the School of Engineering at the University of North Florida, and maintains a graduate faculty appointment in the Materials Science and Engineering Program at the University of Florida. 

Dr. Eason has testified in numerous trials and depositions in the following practice areas: 

Product Design & Manufacturing Analysis - Metallurgy & Materials - Fire & Explosions - Industrial Accidents 

Areas of Expertise: Product Liability and Materials Failure Analysis, Product Defect & Safety Issues including: Metals, Plastics, Glass, Ceramics, Corrosion, Fatigue, Overload & Material Selection 

Fire and Explosion Analysis including: cause and origin determination, product related fire causation, industrial process accidents, dust explosions, welding / brazing accidents

• Over 35 years of experience in Mechanical / Structural Engineering & Design, Failure Analysis, Product Liability, Industural Asbestos,Pressure Vessel & Boiler analysis and evaluation of mechanical and structural components.
• Extensive trial experience. Has been involved in multi-million dollar cases. Areas involved included:

  
  

  - Piping & pipe supports - Structural failure of products - Failure analysis - Industrial asbestos - Seismic analysis - Fire protection - Pressure vessels

  - Tanks - Construction - Heat transfer analysis - Environmental qualification of equipment - Welding - Product design - Patent information

• Expertise in developing litigation rate-case exhibits and detailed supporting testimony, and in organizing case documentation into easy-to-use computer databases for trial use.

Eugene R. Camerota is a Professional Consulting Engineer. His consulting experience includes the analytical and experimental studies of Engineering problems dealing with Accident Reconstruction and Product Liability. His work includes the following specialties:

Automotive / Motorcycle Accident Reconstruction

Crash Data Retrieval

Seat Belt Restraint Analysis

Automotive Component Design Evaluation

Construction Equipment

Industrial / Portable Machinery

Consumer Product Evaluation

OSHA

Slip and Fall

Albert Ferrari, PE, CSP. is a Mechanical Engineer and Safety Professional experienced in both the micro and in the macro focus. Mr. Ferrari is particularly sensitive to reliability, safety, and function. His Forensic Engineering experience includes 30+ years in Accident Reconstruction, Causal Analysis, Failure Analysis, Codes, Standards and Regulations, Consulting and Testimony.

Mr. Ferrari provides Expert Witness Consulting and Testimony services to Defense attorneys, Plaintiff attorneys, Claims adjusters and Insurance companies. 

Engineering Work Includes:

• Automotive Engineering
• Pedestrian Facilities
• Machine Design
• Thermal and Mechanical Energy Analysis
• Structural Load and Stress Analysis
• Piping and Tanks
• System Safety and Human Factors Analysis for Design of Hazardous Equipment

Evaluations Include

• Cause of Injury, Loss and Damage
• Adequacy of Products, Systems, Materials, Practices
• Standard of Care of Design, Manufacturing, Use, Maintenance

Services Include:

• Investigation and Consultation
• Diagnostics, Testing and Analysis
• Technical Photography and Video
• Literature and Standards Studies
• Codes and Regulations Analysis
• Reports and Testimony
• Evaluations

Khalid Sorensen, PhD, is a highly accomplished technology leader in Automation, Mechatronics, Motion Control, Manufacturing, Machine Vision, and Human-Machine Interaction. He has over 20 years of experience developing and deploying world-class mechatronic, motion control, and automation solutions.

Dr. Sorensen has directed the development and implementation of 100s of complex, multi-disciplinary mechatronic systems for high-profile industry leaders including Toyota, Ford, Alcoa, Caterpillar, Boeing, NuScale, and many others, and high-profile facilities including Fukushima and Chernobyl.

Litigation Support - Dr. Sorensen has testified in numerous Product Liability and IP disputes – both at the Federal and District court levels, as well as the ITC, USPTO, and US Customs and Border Protection.

Areas of Expertise:

Automation Dynamics and Control Systems Kinematics Machine Vision Manufacturing Mechatronics Photogrammetry Robotics

Segways Sensors Tire Mechanics Traction Control Wheel Slip Vibrations Warnings See Full List

Career Highlights:

• Founded a technology company where he invented and was the Chief Architect of Expertoperator^TM, Safemove^TM, Automove^TM, and Cranevision^TM – technology known within the primary metals, automotive, and heavy-equipment sectors for enhancing crane safety, productivity, and ease-of-use; Developed state-of-the-art, on-line, time-optimal trajectory synthesis software for Cartesian machines - key drivers in the acquisition of his company 5 years after inception by a global leader in automation.
• Served as CTO at PaR Systems, a world-class supplier of large-scale robotic automation, control, advanced manufacturing, and nuclear-handling solutions.
• Founded Finity Engineering, which provides design, analysis, consulting, and litigation support services in the areas of robotics, automation, and mechatronics.
• Adjunct Associate Professor of Mechanical Engineering at Georgia Tech. Teaches various engineering topics including Dynamics, Controls, Vibrations, Mechatronics, the Design Process, Product Development, Engineering IP, Product Liability, and others.
• Invited talks at premiere institutions globally including MIT, Kumoh National Univ. of Tech, Korea Atomic Energy Research Inst., Hyung Hee Univ., Huazhong Univ. of Science & Tech.

View Finity Engineering's Business Consulting Profile.

Roger W. Griffith, P.E. is a professional Mechanical Engineer with over 40 years of experience in designing, maintaining, and operating mechanical systems (Plumbing, HVAC, and Fire Sprinkler Systems). As the principal of Griffith Engineering & Consulting for 23 years, his design experience with commercial and industrial projects includes convention centers, schools, office buildings, condominiums, apartment buildings, hotels, manufacturing facilities, medical buildings, restaurants, dormitories, fire halls, and maintenance facilities.

Litigation Support - Since 2002, Mr. Griffith has provided thorough, credible, and timely forensic engineering, consulting, and expert witness services. He also assists clients through the mediation and arbitration process. His expert testimony is based upon independent and impartial investigation, research, analysis, and testing. His services include written reports and the preparation of exhibits. Mr. Griffith's expertise is available to plaintiffs and defendants on the issues of plumbing, mechanical, and fire sprinkler system defects and failures. 

His specific areas of expertise include hot water scalding, carbon monoxide poisoning, and legionella. Mr. Griffith has served on numerous codes and standards committees related to areas, including the NFPA 54 Fuel Gas Code, the ASSE Scalding Awareness Task Group, the Uniform Codes' Legionella Task Groups, and the ICC Plumbing/Mechanical/Fuel Gas Code Action Committee. 

He is a Professional Engineer in Alabama, Arizona, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New York, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Utah, Virginia, West Virginia, and Wisconsin.

Areas of Expertise:

HVAC Design Plumbing Design Pipe Failures Plumbing Component Failures Sprinkler System Failures

Hot Water Systems / Scalding  Water Heater Failures Gas Venting / Carbon Monoxide Poisoning Fuel Gas Fires and Explosions Legionella

View Roger W. Griffith's Consulting Profile.