Mac Przepióra studied Molecular Biology and Computer Science at College of Interfaculty Individual Studies in Maths and Natural Sciences at Warsaw University. Software development is his passion since high school. After graduating in Molecuar Biology he decided to pursue his career in IT. He has been developing web applications in Java for 10 years now. He worked for Capgemini, Polish National Center for Research and Development and Bunge. In September 2013 he joined Vaadin, the Finnish company behind the framework bearing the same name, where he works as a developer and trainer. Recently, he's been part of the Vaadin Designer team that develops WYSIWYG tool for designing great webapps visually.