Hi Sun’s experience includes work in the United States, and internationally in South Korea, the United Arab Emirates, Azerbaijan and Vietnam.

Hi Sun Choi has more than 20 years of experience in structural analysis, investigation, design and review of a variety of building types, including commercial, cultural, mixed-use, residential and aviation. Her expertise includes the design of supertall buildings for seismic risk assessment, building motion due to wind, performance-based design and waterfront developments on reclaimed land.

International Experience
Hi Sun has worked on projects in multiple continents. Her primary work includes Barclay Headquarters and Queens Crossing in New York City; We’ve the Zenith, Lotte Jamsil Podium and New Songdo City projects in South Korea; Shanghai Tower in China; Baku National Stadium in Azerbaijan; and Lotte Center Hanoi Center in Vietnam.

Academic and Professional Contributions
Hi Sun has lectured on supertall building design at several universities, including Massachusetts Institute of Technology, Lehigh University, Korea University and Seoul National University. In addition, she served as an adjunct professor at the Pratt Institute and the New Jersey Institute of Technology for several years.

Active in the Council on Tall Buildings and Urban Habitat (CTBUH), she co-chaired its working group on outrigger design guidelines and has presented her projects at its 2004 and 2010 conferences. At the 2010 CTBID International Workshop in Seoul, she spoke on “BIM, IPD, and Beyond.”

• Performance-based design
• Seismic risk assessment
• Supertall buildings
• Waterfront developments on reclaimed land
• Wind analysis