John Portman (December 4, 1924 -) is a late twentieth century American architect and developer known for his giant multi-storied atriums in his buildings particularly Hyatt hotels. Despite being hired by Hyatt, owned by the Pritzker family, he never won a Pritzker Prize in architecture. He is from Atlanta where much of his work can be seen, and was a graduate of the Georgia Institute of Technology.
Important buildings include:
- Hyatt Regency, Atlanta, Georgia
- Peachtree Center, Atlanta, Georgia
- Rennaisance Center, Detroit, Michigan
- Embarcadero Center, San Francisco, California