Education
Born in Vitoria-Gasteiz, Álava, Galilea finished his formation with Deportivo Alavés, and made his senior debuts with the reserves in the 2012-2013 campaign.
Born in Vitoria-Gasteiz, Álava, Galilea finished his formation with Deportivo Alavés, and made his senior debuts with the reserves in the 2012-2013 campaign.
On 4 January 2014 Galilea made his debut as a professional, again from the bench, in a 2–0 success at Civil Defense Numancia for the Segunda División championship. On 20 August he was definitely promoted to the main squad, and renewed his link until 2017 on 2 September.