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Sissy Nikolaou

Dr Sissy Nikolaou, PhD, PE, D.GE, F.ASCE

AVP, Principal of Multi-Hazards & Geotechnical Engineering

WSP Fellow of Earthquake Engineering


Sissy Nikolaou is Assistant Vice President and Principal of WSP with 20+ years of global engineering experience. She oversees the WSP’s geotechnical earthquake engineering practice and leads the multi-hazard resilience initiative of the firm’s Geotechnical & Tunneling Technical Excellence Center. Her consulting approach emphasizes performance-and resilience-based design, soil-structure interaction, and geo-risk assessment and mitigation. Her experience involves numerous critical infrastructure and transportation projects and high-rise structures in New York and Mexico cities.

Driven by a desire to find innovative solutions that protect populations and help them emerge stronger from natural disasters, Sissy has been part of reconnaissance and studies after major natural disasters. For her contributions in earthquake engineering, Dr. Nikolaou was invited to the White House to participate in the Earthquake Resilience Summit of 2016 by President Obama and was named Technical Fellow of Earthquake Engineering of WSP in 2017. Her recognitions include the Prakash Prize for Excellence in Geotechnical Earthquake Engineering, the 2017 ACEC-NY Principal of the Year, and leadership Board positions in the Earthquake Engineering Research Institute (EERI), Applied Technology Council (ATC) and the Geo-Institute of ASCE.