Jan started his career as a full stack developer. In 2013 he accepted the challenge of becoming a Scrum Master and he never got back to programming... Since 2019, he has been living in Tokyo, where he worked in Rakuten (the "Japanese Amazon", biggest internet company in JP) and a startup WOVN Technologies, helping as a Head of Scrum Masters not only teams and other SMs, but also C-level managers. His specialty is the connection of Scrum with OKR, thanks to which he was able to more than tenfold the effectiveness of the product the teams were developing.