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 world over. He’s serving as a pedagogue at the Type Design and Typography studio of the UMPRUM Academy in Prague. Together with Tomáš Brousil he founded Briefcase Type Foundry in 2012. He is also a member of editorial and design team of the TYPO9010 book.