Skyscraper Museum webinar. Supertall projects have been central to Dennis Poon’s career as a structural engineer. Poon worked on the teams for the Petronas Towers (1998) in Kuala Lumpur and Taipei 101 (2004) in Taiwan, the first skyscrapers outside of the United States to become, in succession, the world’s tallest buildings. Dennis has extensive experience in seismic design, structural investigations, and optimization of structural systems, and he has worked with conservative Chinese authorities to accept design criteria that reflect international standards and thus allow for more efficient structures. Dennis’s talk will focus on the innovative structural system of the Chengdu Greenland Tower.