Jahn is well known for designs such as the Sony Center on the Potsdamer Platz in Berlin, Germany, the Messeturm in Frankfurt, Germany, the One Liberty Place in Philadelphia, Pennsylvania (formerly the tallest building in Philadelphia), and the Suvarnabhumi Airport, an international airport in Bangkok, Thailand.
Recent projects include a residential tower in New York City, 50 West St in 2016 and the Thyssenkrup Test Tower in Rottweil, Germany in 2017. He is currently designing the 1000M, a super-tall residential complex in Chicago.
- Neumann, Dietrich. "Helmut Jahn." In Immigrant Entrepreneurship: German-American Business Biographies, 1720 to the Present, vol. 5, edited by R. Daniel Wadhwani. German Historical Institute. Last modified February 09, 2016.