Who we are and why we built this
Scrum Poker Online started in 2018 as a side project. We — Kai and Paul — were working in an agile team at Swiss Re, with colleagues spread across the globe, and had already built an internal app together (me@swissre). For our refinement meetings we kept looking for a story-point estimation tool that didn't get in the way.
Most tools we tried required accounts, setup, and a learning curve — for a process that takes ten seconds to explain. Our bar was simple: open a room and start estimating in less than 30 seconds. No tool met it, so we built one.
It was our first product of our own, and it proved that two people can run a web product end to end. That success spurred us on to try the same approach on a bigger problem — the result is Whocan, a free tool for group scheduling, invitations, and RSVPs. In 2025, Scrum Poker Online counted 1.05 million users and 6.2 million sessions (Google Analytics).
Scrumpoker still does one thing: estimating. There's no native Jira integration, no backlog management, no enterprise reporting. If your team needs those, another tool will serve you better. If you want to open a room and start voting, you're in the right place.
Co-Founder & Developer
Kai Petersen is a software developer based in Küsnacht near Zurich. He studied philosophy and mathematics at the University of Freiburg and has spent 28 years building software — including 13 years at Swiss Re as a project manager, software architect, and scrum master. That scrum practice is where Scrumpoker comes from. He went independent in 2022 to focus on his own products. The founding story was featured in Tages-Anzeiger and SonntagsZeitung in 2025.
Co-Founder & Product Owner
Paul Cornec is the co-founder of Scrum Poker Online and Whocan. He and Kai worked together at Swiss Re before turning a shared frustration into their first product of their own — this one. Outside the products, he works in solution engineering and customer advisory.
Kai & Paul
