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Meet The Team


Silvia Mazzoni, PhD

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Silvia Mazzoni has been training OpenSees users for over 20 years. She developed the first OpenSees Days workshops at UC Berkeley. As an independent consultant, through her On-Line academy, she now works with Engineering firms in adopting OpenSees into their practice through training and element development.
Silvia is currently also a Project Scientist and Lecturer at UCLA. Currently, she teaches the graduate course on Structural Dynamics in the Fall.


Michael Scott, PhD

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Michael Scott is a Professor of  Structural Engineering and a core developer of OpenSees.  He wrote and maintains many of the nonlinear element and constitutive models, as well as nonlinear solution algorithms, in OpenSees. He has led sessions at previous OpenSees Days on how to use and develop finite element models.  Michael has also adopted OpenSeesPy, the Python interpreter for OpenSees, in his research and teaching.


Haitham Abdelmalek

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Haitham Abdelmalek is a structural engineer working at the Housing and Building National Research Center in Cairo, Egypt with over 10 years of experience in the construction sector. He is a master's candidate in the structural engineering department, Ain Shams University, focusing in nonlinear structural analysis; Performance-Based Design of medium to high-rise buildings. He has an experience in the nonlinear modeling and analysis techniques using Perform 3D software.

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Marios Panagioutou, PhD PE

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Dr. Marios Panagiotou (PhD, PE) is a Senior Consultant at Nabih Youssef Associates in Los Angeles and founder of the Online School of Earthquake Resilient Design. His engineering practice work focuses on the advanced nonlinear seismic analysis and design of large, complex, earthquake resilient, and seismically isolated structures including high-rise buildings, and stadiums. He has published 23 journal papers, and 60 conference papers and technical reports. He has taught graduate courses at UCB, UCLA, and USC. 

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