Partner with Stefan Sagmeister of Sagmeister, Inc. New York, New York.

We have one object that Hjalti Karlsson has been involved with.

If you would like to cite this person in a Wikipedia article please use the following template:

<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18536255/ |title=Hjalti Karlsson |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=24 December 2024 |publisher=Smithsonian Institution}}</ref>