Aitor has been a member of the Dutch Order of the Brussels Bar since September 2026 and joined Claeys & Engels as a lawyer that same month. He is active in various fields of labour law.

After obtaining his Master of Laws (LL.M.) degree from KU Leuven in 2025, Aitor further specialized in social law by completing the Master de spécialisation en droit social at the Université libre de Bruxelles, where he graduated with distinction in 2026.