Trusted Structural Engineering Experts in Los Angeles

Structural Engineering Experts at NYA deliver landmark buildings across California and beyond. From seismic retrofits to high-performance design, we bring resilience, innovation, and clarity to every project.

What Makes Our Structural Engineering Experts Exceptional

Our engineers lead complex projects with confidence. They integrate performance-based engineering, seismic retrofits, and sustainable design to create solutions that meet architectural and safety goals. We deliver retrofit engineering, structural evaluations, and cutting-edge solutions for towers, museums, universities, and public infrastructure. Every member of our team contributes engineering insights that shape skylines and communities.

Key Services by Structural Engineering Experts

  • Seismic Design and Structural Retrofits
  • Post-Event Structural Inspections & Tagging
  • High-Rise and Special Structure Engineering
  • Feasibility and Structural Risk Assessments
  • Construction Support and Peer Reviews
From our Los Angeles headquarters to our San Francisco office, NYA engineers respond rapidly and decisively to every challenge. Clients depend on us for engineering clarity, creative thinking, and consistent results.

Why Clients Trust Our Structural Engineering Experts

Clients choose NYA because we deliver more than calculations—we provide strategic guidance, reliable performance, and collaborative spirit. Our engineers actively contribute to industry groups such as the ASCE and publish technical thought leadership in Structure Magazine. We consistently improve design quality by using advanced software and structural modeling techniques. Our team develops customized structural systems that match design intent, cost targets, and code compliance.

Learn More About Our Work

Visit our Featured Projects to explore civic, cultural, and commercial structures engineered by NYA. We also encourage you to connect with our team through the Contact Page. In a high-seismic region like California, choosing the right structural partner is critical. Trust the experience and excellence of NYA’s structural engineering experts.

Leadership

With our team’s skill, experience, and passion, we help deliver clear, elegant solutions to complex structural problems

 

Nabih Youssef
Founder
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John Paul Youssef
President
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Ryan Wilkerson
Principal
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Michael Gemmill
Principal
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Owen Hata
Principal
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Kelly Weldon
Principal
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Dr. Jose Restrepo
Director Of Research And Development
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Dr. George Gazetas
Director of Geotechnical and SSI Engineering
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Anthony Giammona
Vice President
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Elie Elkhoury
Vice President
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Sudharshan Navalpakkam
Vice President
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Jim Zeiner
Vice President
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Daniel Tunick
Project Manager
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Victoria Kaasa
Project Manager
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Andrew Ma
Project Manager
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Dr. Reza Moharrami
Senior Project Engineer
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Corey Barber
Senior Project Engineer
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Dae-Hwan Kim
Senior Structural Analyst
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Mina Riad
Senior Engineer
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