Banco Santander SA Chairman Emilio Botin

Banco Santander SA Chairman Emilio Botin

Angel Navarrete/Bloomberg

Emilio Botin has banking in his blood. The patriarch of a family that has helped run Santander for 118 years, he joined the bank in 1958, became CEO in 1967 and built it through acquisitions in Brazil, the U.S. and the U.K. into one of the world’s top-20 publicly traded lenders.