Stefan Al, PhD, is an architect and thought leader in architecture and city planning, with deep research experience on topics including hotel and retail design, smart cities, transit-oriented development, and green infrastructure. His design credentials include work on the 2000-feet tall Canton Tower, which was briefly the world's tallest structure. In addition, he served as an advisor to the Hong Kong government, the Chinese government, and the United Nations High-Level Political Forum on Sustainable Development. His latest book, The Strip, was a Wall Street Journal "best book to read." 

At the University of Pennsylvania, professor Al teaches various design courses including an online course, Designing Cities, with more than 70,000 students. In addition, he is a Visiting Professor at Tongji University and a 2018 TED Resident. He is a native of The Netherlands.

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Al's career as a practicing architect and urban designer includes work on significant cultural, educational, residential, masterplanning, and renovation projects. For more information, or to discuss your project, please contact him. 

Though leadership that addresses the big issues FACING CITIES

In his books, Professor Al aims to address the pressing challenges facing global cities ranging from rapid urbanization and vertical cities in Asia to linking transit with places and improving resiliency in cities threatened by climate change. For more information, click any of the book covers below, or see a list of his publications.

"A bracing portrait of Las Vegas’s architectural arms race"
— Wall Street Journal (Best books to read)

"An inspiration and resource for anyone who cares about the future of cities.”
— Jan Gehl

The book features design responses to building resilience that create new civic assets for cities.


"A fabulous piece of architecture and design graphica"
Architectural Record (best books on informal urbanism)

"Chock-full of information and imagery... a great book"
 Skyscrapercity Magazine

"An in-depth guide to the changed and changing landscape of the Pearl River Delta"
 Architectural Record

"A beautifully illustrated guidebook to [Macau's] recent architecture.”
—Brian McGrath