sap2000
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Computers and Structures, Inc.
Computers and Structures, Inc. (CSI) is a Walnut Creek, California software company founded in 1975 that builds the analysis and design tools structural and earthquake engineers use to model buildings, bridges, dams, stadiums and towers. Its finite-element products - SAP2000, ETABS, CSiBridge, SAFE, PERFORM-3D and CSiCOL - are used by engineers in more than 160 countries and have helped shape landmark structures including the Burj Khalifa, Taipei 101 and One World Trade Center. Founded and still led by structural engineer Ashraf Habibullah, CSI grew out of the SAP and ETABS research programs developed at UC Berkeley.
Ashraf Habibullah
Ashraf Habibullah is the founder, President, and CEO of Computers and Structures, Inc. (CSI), the Berkeley-based company behind ETABS and SAP2000 - structural engineering software used in 160+ countries to design buildings like Taipei 101 and One World Trade Center. A Pakistani-American engineer who once dreamed of being a rockstar, Habibullah has spent 50 years turning the structural engineering profession from slide rules to software, earning election to the National Academy of Engineering in 2024. Equally passionate about ballet, photography, and the arts, he co-founded the Diablo Ballet and the Engineers' Alliance for the Arts, championing the idea that engineers need as much human skill as technical skill.