What is the relationship between 'Antony Jenkins' and 'Barclays' in the context of the input sentence.
Options: manufacturer, location of formation, chief executive officer, employer

Wed, Jul 8, 2015, 08:21 BST - UK Markets close in 8 hrs 9 mins Barclays Sacks Chief Executive Antony Jenkins By (c) Sky News 2015 | Sky News – 10 minutes ago View Photo
employer