Ida Cuéllar is a filmmaker and musician living between Barcelona and Mexico City. He has worked all over the world as a director and screenwriter. His work in advertising has won numerous awards at Cannes, San Sebastián FIAP and the Ojo de Iberoamérica, among others. Ida has directed multiple short films, such as La muerte de Otilia Ruiz (2011) and the experimental fashion film Phasmata (2014), selected for numerous international festivals. Among other relevant commissions, he directed the pilot episode of the series Magnum Opus (2016), with James Cosmos, Arly Jover, Timothy Gibbs, Jamie Anderson and Sam Douglas. In his works, Ida explores the nature of imagination and consciousness. Hence one of his latest and greatly acclaimed works, on which he has been researching for a decade, is The Secret of Dr. Grinberg (2020).