Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.

United States
Joined November 2012
The Sophie Maxwell Building is the first residential building to open as part of the transformation of the former Potrero Power Station. The development provides below-market-rate homes for San Francisco’s workforce. SGH provided waterproofing consulting. archinect.com/firms/project/…
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SGH team members attended the Facades x Renewal event in Los Angeles, where Ryan Upp joined a panel on revitalizing historic buildings. Attendees included Tomas Atienzo, DJ Kim, Xiaoran Li, Becca Luna, Krystie Ortencio, and Sheryl Reyes.
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Last month, SGH’s Jeffrey Kerr and Emma Mahoney presented “Finding Closure: Integrating Architectural Cavity Closures into the Rainscreen Assembly for Durable Design” at the Rainscreen Association in North America (RAiNA) Conference 2026 in Portland, OR.
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In this video, SGH’s Julie Galbraith, Max Argo, and James Mendygral discuss our work across the San Francisco waterfront, supporting projects that help address seismic risk, environmental exposure, and long-term resilience. Check out the full video: sgh.com/insight/preparing-th…
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Congratulations to SGH’s Oliver Orthwein, Jason Varney, Zack Chabot, and Dan Bannon, who represented SGH with their “Heavy Civil, Light Feet” team at the Maine Marathon Relay in Portland, ME. The team placed third overall and finished first in the men’s relay division.
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How do SGH’s newest Senior Managers lead, collaborate, & grow? See their reflections on the importance of communicating with clarity & investing in others—two practices that help build trust, strengthen teams, & create opportunities for teams to grow. sgh.com/insight/lessons-lear…
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Visit our team members on campus this week to learn more about our open positions and discover what a career with SGH could look like. We look forward to meeting you! sgh.com/careers/students/ #SGHCareers #EngineeringCareers
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This Friday, SGH’s Lauren DiCenzo and James Mendygral will join Page & Turnbull’s Elisa Hernández Skaggs and June Lee to take a behind-the-scenes look at the restoration of San Francisco's historic Ghirardelli Square Clock Tower. sgh.com/news-event/10-23-26-…
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Join SGH’s Christine Roy on October 22 for “Building Nuclear: How Structural Engineers Shape Nuclear Energy Infrastructure.” The webinar, hosted by the American Nuclear Society (ANS) will explore the role structural engineers play in the nuclear field. ans.org/webinars/view-bldnuc…
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SGH is heading to APT International in Indianapolis from October 26 – 30. Matthew Bronski and Lena Currie will present on sandstone selection for preservation, followed by Lena and Melissa Roth on experiential learning through building investigation.
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California faces heightened flood risks as a potentially strong El Niño approaches. Join SGH experts October 28 for a webinar on storm impacts, resilient design, and evolving flood-resilience regulations. sgh.com/news-event/10-28-26-…
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SGH’s David McCormick and Craig Goings examine the earthquake in Columbia this year, including the effects of long-duration shaking, the evolution of Colombia’s seismic codes, reinforcement detailing, building configuration, and masonry infill walls. sgh.com/insight/early-lesson…
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SGH is “Chomping Out Hunger!” Our Boston and Waltham teams built a Jurassic Park-inspired dinosaur from 2,778 cans for SMPS Boston’s Canstruction competition. Vote for the People’s Choice Award by tomorrow: pollunit.com/en/polls/Canstr…
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SGH’s Dan Bannon, Mike Moser, Zach Chabot, and Casey Stevenson from our Portland, ME, office made the most of a beautiful day on the water for their first annual boat day. Here’s to smooth sailing and the start of a new tradition!
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We’re hitting the road again this week! Meet SGH at these upcoming career fairs and campus events. Learn more about a career with SGH: sgh.com/careers/students/ #SGHCareers #EngineeringCareers
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Congrats to SGH’s newest Senior Managers! To celebrate this milestone, they reflected on the experiences and lessons that have shaped the way they work and lead. Read part one now. sgh.com/insight/lessons-lear…
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Today, we honor the cultures, histories, and contributions of Indigenous peoples and recognize their lasting influence on the communities where we live and work.
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Last month, SGH’s Sarah Rentfro and Eric Olson participated in the Performance-Based Facade Design (PBFD) conference in Venice, Italy. They discussed spandrel assemblies in glazed wall systems, and window wall and slab interactions. Photos by: Performance-Based Façade Design®
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Restoring a landmark isn’t just about fixing what’s broken, it’s about preserving what matters. Hear from our teams about how SGH is helping The First Church of Christ, Scientist, stand strong for the next 100 years. sgh.com/insight/preserving-h…
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SGH’s Anya LaRoche and Cheryl Saldanha recently presented “Prefabrication Meets Reality: Where Panelized Buildings Go Wrong—and How Design Fixes It” at New York Passive House’s (NYPH) Regenerative Metropolis Symposium 2026.
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