Polish Ruby developer, living in Wrocław and working remotely since before it was trendy. Writing software for over 20 years; started with Ruby in 2006 after his friend Andrzej Krzywda introduced him to the language, and has worked professionally with Ruby since 2007. Previously a Java developer. Author and sole maintainer of WebMock, which he created during a company hackathon at New Bamboo in London in 2009. Gave his first WebMock talk in London 15 years before his wroclove.rb 2024 appearance. Studied at Wrocław University. Credits New Bamboo's culture of passionate, supportive, inspiring people as the most important thing for his growth as a developer.