Even though he was not one of the signatories of the document, on 14 January it was announced that Pablo Iglesias, a professor of political science at the UCM and a TV presenter, was to head the movement.
Meski bukan salah satu tokoh yang menandatangani manifesto tersebut, pada 14 Januari Pablo Iglesias, seorang profesor ilmu politik di UCM dan presenter acara TV, diamanahkan menjadi pemimpin pergerakan tersebut.