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Patrick Ragan


In his 15 years of experience at Halvorson and Partners, WSP, and SR+A, Patrick has led the design of complex and innovative structures in the United States, China, and the Middle East. His expertise includes the design and optimization of high-rise structures, form-finding analysis of shell-shaped roof structures, and performance-based design of tall buildings in regions of high seismicity. He is a primary author of the ASCE Manual of Practice, “The Design and Performance of Tall Buildings under Wind Loads,” and in 2017 he received the SEAOI Outstanding Young Engineer Award.



Master of Science, Structural Engineering, The University of Texas at Austin, 2007

Bachelor of Science, Architectural Engineering, University of Kansas, 2005



Licensed Structural Engineer in Illinois


American Society of Civil Engineers          

ASCE Tall Buildings Committee

Task Committee on the Design and Performance of Tall Buildings under Wind Loads

CTBUH Chicago Chapter

Structural Engineers Association of Illinois


SELECTED PROJECTS (with previous employer)



Hanking Center, Shenzhen, China, 2018. 

Samsung Life Insurance China Headquarters, Beijing, China, 2017.

Zurich North America Headquarters, Schaumburg, Illinois, 2016. 

333 N. Green St, Chicago, 2019.



Lincoln Common, Chicago, 2019.

North Loop Green Phase 3, Minneapolis, MN

Qintai Tower, Wuhan, China.

World Trade Center Abu Dhabi, Abu Dhabi, UAE, 2014.

1111 W. Addison St, Chicago, 2021.

22 Bishopsgate, London, 2020.

1 Dubai Tower, Dubai, UAE.

La Perouse Development,  Yuzhno-Sakhalinsk, Russia.



275 South 200 East, Salt Lake City, Utah.

5252 S. Cornell Street, Chicago, 2019.

903 Peachtree Street, Atlanta, Georgia.

165 W. Superior Street, Chicago, 2016.

One Bromfield Street, Boston, Massachusetts.



Ryan Fieldhouse and Walter Athletic Center, Northwestern University, Evanston, Illinois 2018. 


UAE Pavilion, Shanghai, China 2010. 

Pritzker Military Archive, Racine, Wisconsin.


Southwest Parking Pedestrian Bridge, Central Dupage Hospital, Winfield, Illinois.



Kansas City Convention Center Loews Hotel, Kansas City, MO, 2020.

Yinchuan Kempinski Residences, Yinchuan, China, 2012.


Notable Peer Reviews

Wanda Vista Tower, 1191-foot, 101-story mixed-use tower. Chicago, IL, 2021.

Lurie Children’s Hospital, 450-foot hospital building. Chicago, IL, 2012.

200 N. Michigan Avenue, 41-story apartment tower, Chicago, IL, 2016

350 Bush Street, 250-foot office building with eccentric core. San Francisco, CA, 2017.



The Design and Performance of Tall Buildings under Wind Loads, ASCE Manual of Practice, 2020.

Two Towers, One Structure, Structure Magazine, November 2018.

Raising the Bar, Structure Magazine, January 2017.

BRB and FVD Alternatives to Conventional Steel Brace Outriggers. CTBUH Research Paper. CTBUH 2014 Shanghai Conference Proceedings, September 2014.

Building Movable Dunes. The UAE Pavilion for the 2010 World Expo in Shanghai. Modern Steel Construction, August 2010.

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