Alexandros Papalexis studied graphic design and typography at the National Design School (TEI) of Athens. He started designing typefaces when he felt the need to create customized type for his own projects. PF Kids Pro is his most popular typeface. It has been used almost on everything related to children such as books, toys, food, clothing, magazines. His other typefaces include PF Freescript, PF Junior and PF Playskool.