Born in Slovenj Gradec/Slovenia in 1975. He graduated from the Academy of Fine Arts in Ljubljana and published his first comic book, Ride, in 2003. He went on to produce the first Slovenian textbook about comics, The Smallest Great Encyclopedia of Comics. His present style is mostly caricatural and realistic. Furthermore, Horjak, alias Dr. Horowitz, has combined his skills as a cartoonist and lecturer to push the envelope in human resource practice and education, and has come up with several innovative approaches.