Ivan Hladík has co-operated in posts as head of production design, production, press officer and assistant director. Compositions with his texts are sung for example by Jiří Korn, Petr Kolář, Magda Malá, Michael Kocáb, Radka Fišarová, Zlata E. Kinská and many more. As the author of dialogues and texts he is the co-creator of original stage projects at Křižík's fountain (Notre Dame de Paris, The Little Mermaid and James Bond – Agent 007). From his work we can also mention his text "The Rules of Lie" in the title composition of the film Pravidla Lži or his composition "Jsem strážný anděl tvůj" from the album The Best of Michael Kocáb. He is the author Czech versions of famous songs by foreign singers such as Elton John (Sorry Seems To Be The Hardest Word), hits of Tina Turner or film compositions (Love song for A Vampire, My heart will go on etc.). In addition to writing texts he devotes himself to writing film and television scripts. In 2009 the author's book “A Second View” was published, which is prose in the thriller genre. As an editor he devotes himself primarily to writing about film and film music. In the 2010 season he again returns to Křižík's fountain with texts for the ballet production of Tristan and Isolde.