Radek Sidun devotes himself primarily to fonts and typography. His graduation thesis at the UMPRUM Academy of Arts, Architecture & Design dealt with the issue of diacritics in world languages. As a result, he is a sought-after consultant to font designers and type foundries the world over. Radek was a member of the editorial and design team of the Typo 9010 book. Together with Tomáš Brousil, Radek founded Briefcase Type Foundry in 2012 and he currently serves as a pedagogue at the Type Design and Typography studio of the UMPRUM Academy in Prague.