Banco Santander SA Chief Executive Officer Javier Marin

Banco Santander SA Chief Executive Officer Javier Marin

Banco Santander SA via Bloomberg

Chief Executive Officer Javier Marin takes on his new responsibilities as Santander, the euro region’s largest bank by market value, tries to shake off doubts about loan losses and its capital levels and Spain’s economy struggles to emerge from an economic slump now in its sixth year.