Samuli Zetterberg, interdisciplinary product designer based in the San Francisco Bay Area.

All about the tiny details, the bigger system, the people using it, and the craft behind thoughtful user experience.

Sam Zetterberg Signature

Experience

Founding designer at Circleback (2025–26). Co-founded Readymetrics (2019–24) and Surveypal (2007–18).

First investor in Linear.

Contact

samuli.zetterberg@gmail.comCopy email