Aitor studied at the Centro Andaluz de Teatro in Seville and at the Philippe Gaulier School in London.

Performed in The Servant of Two Masters at Sheffield Crucible (1996), Axomate at the Seville Expo (1992), Eulenspiegel (1991) and in Karl's Kuhne Gassenchau's Grand Paradis and Stau in Zurich (1997 and 1998). Director of Little Prince for Donkey Productions (1997), Un Vento Impetuoso for La Canoppia (1996) and Meci Y Me Fui for Pez Enraya (1997).

In 1999 he appeared in Circus Knie, the Swiss State Circus, and in 2000 formed his own company Punto Fijo, based in Bilbao. Appeared in Cirque Images' 2003 series Solstrom for Bravo Cable Network. Performed in Zumanity - Another Side of Cirque du Soleil at the New York Hotel Casino, Las Vegas, 2003-05.