Building Codes Expert Witnesses: 29

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants’ and plaintiffs’ attorneys on numerous construction litigation matters throughout the United States and Canada.

He has been retained as an expert engineer in over one hundred litigation matters on single and class-action legal cases by the U.S. government, law firms, and insurance carriers at the State and Federal levels, working with both plaintiff and defendant sides.

A partial list of litigation cases is available upon request. His understanding of core engineering and legal concepts has enabled him to assist a wide range of clientele effectively. He brings diversified experience in structural and civil engineering design and forensic engineering, investigation, and evaluation.

He also conducts research, has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for numerous litigation and insurance-related matters.

He actively presents continuing education lectures to audiences of licensed engineers, architects, and general contractors on topics of structural and forensic engineering throughout North America. Mr. Hemmatyar has been the principal structural engineer on high-profile projects for prestigious clients, including NASA and other notable organizations.  Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013.

His work encompasses a diverse range of structures, including hospitals,  educational institutions (including schools and universities), telecommunication centers, aviation facilities, government buildings, laboratories, as well as commercial, industrial, and residential structures.

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:

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. 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:

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.

ARCHforensic specializes in providing Forensic Architecture, Forensic Engineering, and Construction Claims Services to help clients navigate the construction litigation process. While construction is complex, their experienced forensic architect and engineer professionals understand client needs and objectives. They are focused and committed to excellence in each project while exceeding expectations.

Christopher D. Ling, IA, NCARB, PP, LEED AP, is a Forensic Architect with extensive experience in construction litigation, risk management, and architectural design. He specializes in analyzing and resolving complex construction disputes, having written reports for over 1,000 cases involving $1 billion in claims. He has testified in mediations, arbitrations, and federal court cases.

Mr. Ling has an ability to distill and communicate intricate design and construction issues clearly has been instrumental in mediation, arbitration, and court proceedings. He has a hands-on approach to conducting physical inspections, preparing expert reports, and analyzing construction claims, which further solidifies my qualifications.

Areas of Expertise

Background Experience - Mr. Ling has been involved in the construction industry since 1986, holding multiple architectural licenses and national certifications. His experience spans forensic investigations of construction defects, code analysis, master planning, and risk management for projects of all scales. Additionally, Mr. Ling published a book on the Architect’s Standard of Care and have presented seminars for legal and professional organizations.

Architectural Forensics Consulting is a team of highly skilled professionals is committed to delivering exceptional services in Architectural Forensics. They are a trusted forensic and consulting company with over 50 years of combined professional experience throughout the US. ArchiForensics offers a range of expert witness, building-related claim defense, building enclosure commissioning, architectural review consulting, and due diligence actions for property acquisition.

Litigation Support - Architectural Forensics Consulting opines on professional practice issues, Architect’s standard of care, contract dispute, breech of duty, and other practice areas often encountered in claims involving the Architect’s performance or construction related issues. With years of experience and a team of experts who are actively practicing Architects with current AIA, NCARB, BECxP, and CSI accreditations, they provide top-notch analysis and reporting to help clients make informed decisions about their particular case or project.

Areas of Expertise:

Dan Weekes, AIA, NCARB, BECxP, CxA+BE, has over 25 years of Architectural and Engineering Building Envelope and consulting project management as well as litigation and deposition proceedings.

Mr. Weeks is responsible for many different types of investigations, forensic evaluations, and providing consulting services surrounding all areas of building design and construction. His focus is serving as an expert witness, building enclosure evaluations and commissioning, water infiltration investigations, architectural review consulting, property condition assessments, ADA evaluations, and construction administration services associated with construction and design.

As a licensed Architect, he also has experience with the design of new facilities and the implementation of repair programs to existing residential, commercial, and institutional facilities.

Jim Stutzman, AIA, NCARB, CSI has over 45 years of exceptional Building Construction and Investigative Design work with an emphasis on expert litigation cases and design coordination.

Mr. Stutzman is a Forensic Architect providing forensic analysis of building related claims, moisture intrusion claims, component problem and failure analysis, standard of care evaluation, dispute resolution, construction products liability, investigative analysis, reconstruction, cost-impact analysis and supporting documentation, timelines, and exhibits supporting claims for losses and remedy determination in courtroom and private settlements.

Forensic consulting services are focused on defense attorneys, insurance companies, financial institutions, developers, municipalities, and private clients.

View Architectural Forensic Consultants Business Consulting Profile.

Dr. Randy Atlas AIA , CPP is a Registered Architect, NCARB certified, and he practices Criminal Justice Architecture and Environmental Security Design. Atlas is a certified protection professional (CPP) with the American Society of Industrial Security (ASIS), and is an appointed member of the ASIS Security Architecture and Engineering Committee. Atlas has his doctorate in criminology and a masters of architecture. Dr Atlas is a Fellow  member of the American Institute of Architects (AIA).

Dr. Atlas has taught CPTED (Crime Prevention through Environmental Design) and criminal justice courses at Florida International University, Florida Atlantic University, and the University of Miami, Keiser University, and he is a trainer with the National Crime Prevention Institute at the University of Louisville. Dr. Atlas has been a technical Assistance consultant with the National Institute of Justice, National Institute of Corrections, and the Florida Department of Corrections and U.S. HUD Drug Elimination CPTED Program.

He has conducted ADA accessibility compliance audits for private and public sector clients, and served as an expert witness on over 200 premises liability lawsuits.

Dr. Atlas has been a speaker and trainer at security conferences from New Delhi, India to Seattle, Washington and has written over 200 articles in various publications on security, safety, and counter terrorism issues.

Gregory J. Cahanin, CP works in the Fire Protection Engineering field. Over 40 years of experience in the application of sound engineering principles work to produce results in litigation cases. He is nationally recognized as a Life Safety and Fire Protection expert. He performs fire origin and cause, fire alarm, fire sprinkler, kitchen suppression, fire wall and compartmentation failures, and slip and fall forensic investigations.

Gregory J. Cahanin Fire & Code Consulting has been based in St. Petersburg, FL for over 25 years.

Background - Mr. Cahanin served as a Senior Life Safety Engineer with the National Fire Protection Association (NFPA), the organization that writes Fire Protection Codes and Standards. He was staff liaison for building construction standards and the Fire Prevention Code. Special project work included support of the International Division of NFPA in a survey of fire protection for all oil production facilities of LaGoven SA in Venezuela; an evaluation of the existing airport terminal in Rio De Janeiro, Brazil; and a code comparison study for the National Institute of Building Sciences. Mr. Cahanin investigated multiple fatality fires for NFPA and his reports are nationally published and peer reviewed. Mr. Cahanin holds Professional Grade Membership in the Society of Fire Protection Engineers. Mr. Cahanin has earned three undergraduate degrees in Fire Science and Fire Protection and a Master in Public Administration.

Litigation Support - Mr. Cahanin regularly testifies in fire cases offering opinions on the origin and cause of fires in addition to component failures in construction, fire sprinkler systems, kitchen suppression systems and product failures. He is nationally published on fire protection requirements in the building code as a contributing editor on the 2006 edition of the International Building Code (IBC) Commentary where he edited the sections on fire-resistance rated construction. He currently serves on code committees with both the NFPA and ICC. Mr. Cahanin holds a NALA paralegal certification and is well versed in Civil Procedure, interrogatory, expert report writing, and trial procedures. 

Mr. Cahanin meets the professional qualifications of NFPA 1033, Standard for Professional Qualifications for Fire Investigator as documented in a Florida Declaratory Statement held by no other fire expert in the state of Florida. Investigations of note include the Warwick. R.I. Station Nightclub Fire in 2003 with 100 fatalities. In Wyatt v. Security Alarms Co., Inc. key testimony on the failure of a Viking automatic fire sprinkler established a product liability that resulted in a $1.4M dollar jury award for Wyatt in Oklahoma. Mr. Cahanin's services are available to plaintiff and defendant attorneys. Case work can include site investigation, materials testing, thorough reporting, depositions, and trial testimony.

Areas of Expertise:

View Cahanin Fire & Code's Consulting Profile.

Thomas J. Young, PE, has over 39 years of experience in national and international Transportation Construction, the Civil Engineering specialty regarding highways, bridges, rail, airports, harbors, and associated infrastructure.

Mr. Young is a skilled integrator of the parameters of program and project life cycles, leadership, management, business operations, engineering and construction. He has extensive knowledge of regulatory compliance, environmental processes, industry standards, best practices, and field operations in urban and remote areas.

Mr. Young has broad construction management and design background for many of the knowledge and skill areas required in mining operations, bridges, highways, land development, major soil/structure type facilities, land survey, and construction surveying, including work in Arctic facilities and in desert regions.

Selected Background Experience:

• Completed 34 bridge structure designs, seismic retrofits, and special studies, including large cut and cover tunnels and numerous other complex structures for the $700 million design/build Eastern Transportation Corridor toll roads in Orange County, California
• Bridge construction oversight on $1 billion Cypress Corridor reconstruction in Oakland, California. 
• $10 million Sunrise/Highway 50, and $40-$50 million Douglas/Interstate 80 Interchange and Corridor designs in Sacramento, California.
• Bridge and highway project development duties in Caltrans Districts 1-5, 7, 10-12.

Thomas J. Young: PowerTeam Interview

Litigation Support - Mr. Young can act as an expert witness in all cases related to Forensic Transportation Construction Engineering. A persuasive communicator skilled at negotiating successful outcomes to complex situations, his expertise at analysis, problem solving, and bringing parties together in the public and private sectors is an asset in his performance in forensic engineering and expert witness testimony.

Areas of Expertise:

View Civ-Tek International's Business Consulting Profile.

Since 2010, Craig Moskowitz, MBA, MS, PE, the President and Managing Member of CLM Engineering Associates, LLC (CLM), has been concentrating the comapny's focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, they offer construction management, civil engineering and building inspection services. 

CLM has extensive construction management experience on both commercial and residential projects. Projects have included:

•  Safety inspections on both civilian and military projects through application of OSHA regulations. Designed drainage systems for the government while an officer with the United States military. Cost estimating for various projects exceeding $500 million<li>
• Designed document creation and management of high-rise construction in Manhattan
• Management of telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating
• Directed and managed all water distribution system and sewer system work while working as a contractor to the New York City Department of Design and Construction. 
• Marketplace Services

Litigation Support - Forensic work related to evaluation of structural steel systems with commercial building construction and insurance-related claims due to storm damage on commercial and residential structures. Craig Moskowitz has been deposed several times in litigation matters. Mr. Moskowitz has testified 17 times in the past four years. 

View Craig Moskowitz'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:

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

John G. Minor, President of Complete General Contractors, is a third-generation Contractor and licensed instructor certified by the North Carolina Department of Insurance. He is a recognized expert on the costs and applications necessary to repair buildings damaged by manufacturer, builder liability, water damage or intrusion, mold, or asbestos.

Mr. Minor has worked in construction and contracting dispute resolution throughout the Southeast for over 17 years. He has been involved in the successful discharge of 150+ million dollars as an expert witness in property claim lawsuits and disputes. He is retained by both the plaintiff and defense for a fair appraisal of the issues at hand. Mr. Minor works with attorneys to generate a plan based on damages to property and in compliance with the provisions and spirit of the insurance policies in effect at the time of the loss. For personal injury cases, he works to establish the code requirements in place at times of the injury to find how they relate to the cause of action.

Areas of Expertise:

View John Minor's Consulting Profile.

Sanford C. Loy , CCM, B.Arch, MSCE, has over 40 years of experience in the Construction Industry. Mr. Loy has Degrees in Architecture and Engineering. A Certified Construction Manager (CCM), he is committed to the Code of Ethics and Standards of Professional Practice established by the Construction Management Association of America. CCM is the ANSI accredited professional designation for construction management and is the gold standard for CM service providers in over 145 countries.

Background Experience - Mr. Loy's experience spans virtually every type of building and design process. His strength centers on his understanding of the dynamics and interactions of the various trades and professions unique to every building project. He has experience with Construction Management at Risk, Construction Management Agency, Design-build, and Design-bid-build. Having successfully managed the completion of over one billion dollars of construction, Mr. Loy served as a Regional Engineer for the American Institute of Steel Construction and as Director of Construction and Development for Belz Enterprises, the largest development company in Tennessee, before founding Construction Strategies in 1988.

Litigation Support - Mr. Loy provides Construction Claim and Dispute Analysis services, with special expertise in Concrete Design and Design-Build. Having been a teacher of many of the principles and processes used in the industry he knows how to explain the difficult technical aspects of the information and analysis in a way which makes the facts understandable and believable to opposing counsel, insurance companies, judges, and juries. Mr. Loy has experience and provides assistance with various dispute resolution approaches, such as Owner / Contractor dispute resolution boards, arbitration, mediation, and provides expert witness testimony if necessary.

See services offered at https://www.construction-strategies.com/what-we-do 

View Sanford Loy's Consulting Profile.

Joe Scerbo is a distinguished expert witness, construction consultant, and construction management advisor with over 36 years of experience in the construction industry. As a licensed General, Electrical, and HVAC Contractor in California for 25 years, Mr. Scerbo has cultivated specialized expertise in Building Envelope, Mechanical, Electrical, and Plumbing (MEP) systems. His extensive background includes significant experience in mechanical systems, heating & cooling systems, ventilation, solar energy systems, battery energy storage systems (BESS), generators, and design-build projects.

Litigation Support - Mr. Scerbo and his team at Danliv provide comprehensive forensic consulting and litigation support services for all things related to Construction Defects, Standard of Care Issues, Non-conforming of Contractors Licensing Laws, and Cost of Repairs. Serving defense and plaintiff attorneys, insurance companies, and government agencies across the United States. Mr. Scerbo has been disclosed as a designated expert on numerous cases and consulted on over thirty cases for advice as well as field investigations, document evidence evaluation, and material findings. 

Areas of Expertise:

Mr. Scerbo brings extensive expertise across multiple sectors, including single-family, multifamily, hospitality, commercial construction, renewable energy, and utility-scale infrastructure projects. Well-versed in framing, flashing, metal and composite roofing, concrete, exterior cladding systems such as Portland Cement Stucco, underground construction, MEP issues and opines on standard of care for contractors, construction managers, inspection companies and specialty sub-contractor services. He has hired and supervised engineering and design teams for Design-Build projects and Construction Defect cases, ensuring precision and compliance.

David M. Bekus has over 40 years in the Construction Industry specializing in new home construction, and remodeling. Mr. Bekus has been a project manager, overseeing all aspects of construction from conception and approvals to final sales for single homes and developments. Mr. Bekus is licensed by the State of New Jersey as a building inspector (RCS, ICS, and HHS), a licensed home remodeler, and a licensed new home builder. He is also certified in Project Management, Cost Estimating, Construction Methods, Construction Site Safety, and is a EPA Lead Safe Certified Contractor.

Litigation Support - As a seasoned expert in the construction field, Mr. Bekus provides comprehensive reports  and credible expert witness testimony. His services include project evaluations, building code inspections, and clear precisely written reports. Mr. Bekus' expertise is available to counsel representing both Plaintiff and Defendant and has testified in NJ superior court.

Areas of Expertise:

View David Bekus' Consulting Profile.

Robert F. Jalnos is currently a Managing Partner, CEO, and Responsible Master Plumber (RMP, 45 Years) for Dr J Plumbing Contractors, LLC. He has over 45 years of experience as a Licensed Master Plumber in the State of Texas. Mr. Jalnos also currently holds a Master Medical Gas Endorsement, and a Master Multipurpose Fire Sprinkler Endorsement with the Texas State Board of Plumbing Examiners. He is licensed and certified with the Texas Railroad Commission on the installation of LPG Gas Systems.

Qualifications:

• The installations of PEX, PROPRESS, Copper, Steel, Duriron, CPVC Piping. PVC and Cast Iron DWV below and above the foundation, Plumbing site preparation, Sewer, Septic Tanks, Potable Water, Natural and LPG Gas, Medical Gas, Multi-Purposed Fire Sprinkler systems and CSST systems. 
• All types of plumbing installations including Rough In, Slab Water Pulls, Top Outs, Fixture Setting, Sewer installation, Water Service installation, Underground and Above Ground Gas lines, Plumbing Service and Repair, as well as operating machinery for plumbing installations
• Expert Forensic Analysis of system failures
• U.S. Patent Laws pertaining to Plumbing Products
• Uniform and International Plumbing Codes 
• Certified Bathroom Designer (CBD) certified by the National Kitchen and Bath Association
• Certified Green Plumber

Litigation Support - Mr. Jalnos has provided expert plumbing analysis and forensic investigations for the past 20 years. His cases include all aspects of plumbing, materials, installation, workmanship, and problem solving. Mr. Jalnos has been retained in over 75 cases and offers services to attorneys for plaintiff and defendant.