Nabih Youssef & Associates

At Nabih Youssef Associates Structural Engineers (NYA), we apply the world’s most advanced structural engineering approaches to deliver resilient, efficient, and future-ready solutions tailored to each client’s vision.   Our commitment to technical excellence and client service is rooted in the principles of our founder, Nabih Youssef, whose approach continues to inspire us today.    A Global Leader in Earthquake and Structural Engineering NYA is trusted to engineer the most complex and celebrated projects in the world. We are recognized globally for our leadership in performance-based seismic design, resilience-focused engineering, and the ability to manage and deliver on large-scale, demanding developments.   We operate from Los Angeles, San Francisco, Orange County, San Diego, Honolulu, Dallas, Phoenix, Charleston, Montreal, Athens, Cairo, Dubai, and Seoul, enabling us to serve clients seamlessly across times of day and geographies.   Innovation, Expertise, and Client-Centered Value Our engineers are known not only for their deep technical knowledge but also for their collaborative approach.  NYA’s reputation is built on our ability to: • Reduce construction costs through advanced analytical techniques. • Maximize structural performance while meeting architectural and functional goals. • Enable iconic design visions through partnership. Our work includes: • High-rise and mixed-use developments • Hospitals and healthcare facilities • University and K-12 educational campuses • Sports and athletic venues • Cultural and historic preservation projects We provide a full spectrum of structural and seismic services, including: • New developments • Seismic evaluation and retrofits • Peer reviews and risk mitigation studies At NYA, we don't just solve engineering challenges — we unlock possibilities. Our mission is to empower clients' bold visions through structural solutions that are safe, legacy building, and economically rewarding.