Galder Gaztelu-Urrutia  Galder Gaztelu-Urrutia (born 1974 in Bilbao) is a Spanish film and advertising director and producer. He completed a B.A. in business management with a specialization in international trade. He made a short film, "913" in 2003. He has directed commercials. In 2011, he made "The House on the Lake". His feature film debut was in 2019 with the dystopian science fiction-horror film "The Platform" (its Spanish title is "El hoyo", transl. "The Hole"). About the film, he said the point is "it isn’t about a war between those above and those below – we all have someone above us and someone below us". This film won the at the Toronto Film Festival, and garnered four honours at the Sitges Film Festival: Best Film, Best New Director, Best Special Effects and the Audience Award.