Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 2007 - 2009 |
| Floors | 46 |
| Height | 194.5 m / 638 ft |
| Surface | 128 599 m² / 1 384 228 ft² |
Realization
| Architect |
Goettsch Partners |
| Developer |
The John Buck Company |
| Engineer |
Magnusson Klemencic Associates |
Building Info
| Address | 155 North Wacker Drive at West Randolph Street |
| Materials |
glass steel |
| Status | Completed |