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Mr. Popp is a licensed professional engineer in New York, Massachusetts, Connecticut, Maine, New Hampshire, Rhode Island and Colorado. He also holds an unrestricted construction supervisor and home inspector license (in Massachusetts). Mr. Popp provides expert technical consulting services based on over three decades of broad-based mechanical and structural engineering experience. He has developed state-of-the-art custom machinery, structures and systems, and he has performed engineering management and consulting services for a wide variety of clients, applications, and industries. These include the consumer, aerospace, materials, testing, biomedical, automotive, and construction markets. Mr. Popp has experience in state-of-the-art design and manufacturing, in production and research and development environments. He has also performed forensic and failure analysis investigations of material and product failures as well as structural engineering analysis. Mr. Popp holds a masters of science degree in Administrative Studies from Boston College, a bachelor of science degree in Mechanical Engineering from the University of Massachusetts, and a certificate in Engineering Management Development from Worcester Polytechnic Institute. He has also completed other PhD and Master’s level engineering course work including bio-mechanical engineering, CAD, thermodynamics, and numerical analysis at UMASS and at Northeastern University. As a result of his extensive professional experience and education, Mr. Popp has been an invited presenter at the University of Fair Haven’s Graduate School of Forensic Engineering and at the National Academy of Forensic Engineers Annual Convention.

Over the past 28 years, Mr. Drerup has investigated performance concerns at hundreds of buildings and structures. His work has ranged from single family homes to large building collapses. Mr. Drerup has evaluated damage attributable to earthquakes, blast, impact, fire, water intrusion, corrosion, construction defects, and other factors. He has served as a testifying expert in several cases. Mr. Drerup has also developed and retrofit designs for existing buildings. He has previously worked for two prominent forensic engineering firms and an international structural design firm. In 2014, he established Drerup Building Performance Engineering, PLLC with his partner Alicia Díaz de León, PE, SE, AIA, and continues to collaborate with other consultants and laboratories nationwide to investigate a broad range of issues pertaining to structure, enclosure, and construction materials. Mr. Drerup recently completed two terms as a voting member of ASCE’s Board Committee on Technical Advancement. He serves on ASCE’s Joint Task Committee with CROSS-US, and is past chair and a 22-year member of ASCE’s Forensic Engineering Division.

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Mr. 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 and fifty 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.

Mr. Hemmatyar’s understanding of core engineering and legal concepts has enabled him to effectively assist a wide range of clientele. He brings diversified experience in structural and civil engineering design, and in forensic engineering, investigation, and evaluation. Mr. Hemmatyar 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. Mr. Hemmatyar 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 projects for clients such as NASA and several other high-profile agencies. Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013. He has been interviewed by public media, including the History Channel (documentary episode: “Collapse of Ancient Structures”) and Reuters (Mexico City school collapse).

Mr. Fratinardo is a civil/structural engineer and roof consultant. His over 20 years of experience includes civil and structural engineering analysis, design, construction administration, field investigation, and project management, and 13 years of experience specific to forensic engineering and the investigation and analysis of building damage and failures. Mr. Fratinardo has designed numerous new buildings, building additions, building renovations, and mechanical platforms and supports. He has designed and analyzed roof, wall and floor framing systems utilizing steel, concrete, masonry, and wood construction. Mr. Fratinardo has vast expertise in commercial, industrial, agricultural, municipal, educational and residential building damage investigations, including on-site investigations after 25 different tornado events, and Hurricanes Irene, Sandy, Matthew, Harvey, Irma, Maria and Florence. He has legal experience in depositions, arbitration hearings and trials. He has prepared and performed numerous continuing education presentations, including on an array of topics in forensic engineering, structural engineering and building codes for HalfMoon Education Inc., in multiple states since 2014. Mr. Fratinardo graduated from Michigan State University with a bachelor of science degree in Civil Engineering, and he also holds a master of engineering degree in Civil Engineering from Texas A&M University. He is a registered professional engineer in multiple states and a licensed structural engineer in Illinois.

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Mr. 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 and fifty 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.

Mr. Hemmatyar’s understanding of core engineering and legal concepts has enabled him to effectively assist a wide range of clientele. He brings diversified experience in structural and civil engineering design, and in forensic engineering, investigation, and evaluation. Mr. Hemmatyar 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. Mr. Hemmatyar 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 projects for clients such as NASA and several other high-profile agencies. Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013. He has been interviewed by public media, including the History Channel (documentary episode: “Collapse of Ancient Structures”) and Reuters (Mexico City school collapse).