José-Martín is President of the AER since July 2020. Before his appointment, he collaborated with different financial institutions as Senior Advisor specialised in bank financing, mobility, and corporate governance. Until 2018, he was General Manager of the companies that supported the Leasing and Renting business in the Banco Santander network, where he previously developed different functions: General Operational and IT Sub-directorate, Financial and Management Control… He began his career as an Economist in the Research Service of the Instituto de Crédito Oficial, participating in the drafting of its Strategic Plan. In 2014 he represented Spain in Leaseurope as a Member of the Board.