Based out of Budapest, Hungary, Istvan began his writing and art career at a young age. His strengths include Science Fiction, Fantasy, Thrillers, as well as Spiritual, Romantic, and Political works. At the beginning of his career, two companies entrusted Istvan to create and write the stories of two of their video games. Since 2007, working parallel on several different projects, Istvan mostly developed and worked on the Crystal Shade franchise and wrote Crystal Shade: Angeni. As an artist for hire, he has created illustrations, character art, short CGI animations and marketing materials for various projects as well as for his own works, Crystal Shade: Angeni, 7 Post Meridiem, Nightfall and other unannounced projects. In 2007, Istvan produced his first short movie "15 Minutes of Fame", in which Istvan was the screenwriter, director and storyboard artist. "15 Minutes of Fame" won 3rd Place at the UPC-AXN Film Festival 2007.