Karol Maciaszek has been writing code since he was 10 years old and recently became a functional programming enthusiast. He has worked with companies like Allegro and Roche, as well as smaller startups. Karol is currently a Software Engineer at Stoplight, working on the team responsible for Prism. Together with Chris Miaskowski, Karol is a co-founder of 11sigma, a team-extension company focusing on API specialists. Secretly an AI algorithms fan. Father of 3 awesome kids!