Carlos Pujana holds a Degree in Merchant Marine Studies and a Master’s Degree in Maritime Business Administration. After beginning his career as a merchant navy officer, he developed his professional trajectory in the Basque Country, mainly within the social economy sector, presiding over several organizations linked to the steel and manufacturing industries. Since retiring, he has been committed to Portugaleteko Mahastizainak, for which he obtained certification in phytosanitary treatments and now serves on its governing board, taking part in vineyard work and cultural activities.