Business Details
Structural Engineering & Building Enclosure Solutions
Founded on a legacy of innovation and technical excellence, Simpson Gumpertz & Heger (SGH) has established itself as a leader in structural engineering and building enclosure consulting. With over six decades of experience, our firm specializes in solving complex challenges through advanced analysis, forensic investigations, and cutting-edge laboratory testing. Our multidisciplinary team collaborates with clients across commercial, residential, government, and industrial sectors to deliver solutions that prioritize safety, durability, and sustainability. Recognized for groundbreaking work on iconic projects like Millennium Tower and the Frick Collection renovation, we combine rigorous scientific inquiry with practical engineering to advance the built environment.Our in-house laboratory enables hands-on material testing, ensuring our designs meet the highest standards of performance. From failure investigations to new construction, SGHs expertise spans the entire lifecycle of a structure. We are committed to fostering lifelong learning, contributing to industry standards, and mentoring the next generation of engineers. Our accolades, including awards from the Structural Engineers Association and the IStructE Gold Medal, reflect our dedication to excellence. With offices nationwide, we provide localized expertise backed by national resources, ensuring clients receive tailored, reliable solutions. Trust SGH to deliver structural innovation that exceeds expectations.
Services
Structural Engineering
Building Enclosures
Advanced Analysis
Failure Investigation
Forensic Engineering
Laboratory Testing
Preservation
New Construction
Highlights and features
- We offer 60+ years of expertise in structural engineering and forensic analysis.
- Our in-house laboratory enables hands-on material testing and failure analysis.
- We specialize in solving complex challenges for iconic, high-rise, and historic structures.
- Our team includes award-winning engineers recognized by industry-leading organizations.
- We provide nationwide service with localized expertise in major U.S. markets.
Services
Structural Engineering
SGH provides comprehensive structural engineering services for new construction and existing buildings. Our team designs innovative systems that ensure safety, durability, and compliance with evolving codes. We specialize in high-rise structures, seismic retrofitting, and complex geometries, leveraging advanced computational tools and decades of hands-on experience to deliver solutions tailored to each projects unique demands.
Building Enclosures
Our building enclosure experts design and evaluate facades, roofs, and waterproofing systems to enhance performance and longevity. We address thermal efficiency, air and water infiltration, and material durability through rigorous testing and analysis. From forensic investigations to new construction, we ensure enclosures meet aesthetic, functional, and sustainability goals while mitigating risks of moisture damage and energy loss.
Advanced Analysis
SGH employs cutting-edge computational tools and in-house laboratory testing to perform advanced structural and material analysis. We simulate real-world conditions to predict performance, identify failure mechanisms, and optimize designs. Our work supports code compliance, forensic investigations, and innovation in materials and construction methods, ensuring solutions are both technically sound and cost-effective.
Failure Investigation
We investigate structural and material failures to determine root causes and develop remediation strategies. Our multidisciplinary approach combines field testing, laboratory analysis, and computational modeling to assess damage, liability, and repair options. Clients rely on our findings to resolve disputes, improve safety, and prevent recurrence, backed by expert testimony and detailed technical reporting.
Laboratory Testing
SGHs in-house laboratory conducts physical and chemical testing on construction materials to evaluate performance and failure modes. We replicate real-world stresses to assess durability, strength, and compliance with standards. This hands-on capability supports forensic investigations, product development, and quality assurance, providing empirical data to inform design decisions and ensure long-term reliability of structures and systems.
People
Megan Toumanios
NextGen Leader
Megan Toumanios specializes in structural engineering and building enclosure consulting. Recognized by the SWR Institute for leadership potential, she focuses on innovative design solutions and forensic analysis for complex projects.
Glenn Bell
Gold Medal Recipient
Glenn Bell is a structural engineering expert honored with the IStructE Gold Medal for outstanding contributions. His work spans advanced analysis, failure investigations, and mentoring emerging professionals in the field.
Taryn Williams
Preservation Specialist
Taryn Williams excels in historic preservation engineering, combining technical expertise with architectural sensitivity. She received the Richard Morris Hunt Prize for excellence in preserving cultural heritage structures through innovative engineering solutions.
Molly Pobiel
Young Engineer of the Year
Molly Pobiel specializes in structural systems and seismic design. Recognized by SEAOSC for her technical acumen and leadership, she contributes to advancing engineering practices in high-risk seismic zones.
Questions
What services does Simpson Gumpertz & Heger offer?
SGH provides structural engineering, building enclosure consulting, forensic analysis, advanced computational modeling, and laboratory testing for commercial, residential, and institutional projects.
How does SGH handle complex structural challenges?
We combine in-house laboratory testing, computational analysis, and decades of field experience to develop innovative solutions for high-rise buildings, historic structures, and infrastructure projects.
What markets does SGH serve?
SGH works across commercial, residential, government, healthcare, energy, transportation, and cultural institutions, addressing unique challenges in each sector with specialized expertise.
Can SGH assist with forensic investigations?
Yes, our team conducts detailed failure analyses using field testing, lab diagnostics, and computational tools to identify root causes and recommend repairs for structural or material failures.
Where are SGH’s offices located?
SGH has offices in Atlanta, Boston, Chicago, Denver, Houston, Los Angeles, New York, Newport Beach, Oakland, Tampa, Waltham, and Washington, DC, serving clients nationwide.
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