
Author
Pietari Risku
Co-founder and CPO
Pietari Risku is a co-founder and CPO of Tsemp. He is responsible for the app's design, user experience and training content, and writes the Tsemp blog.
Articles
- The story of Tsemp: three friends, one workout app and a name Americans couldn't pronounce
Company · 29 October 2026
- Four weeks in San Francisco: what Silicon Valley taught a Finnish workout app
Company · 29 October 2026