Utilize the input text as a context reference, choose the right relationship between Antony Jenkins and Barclays from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

When Antony Jenkins took over as Barclays' chief executive in 2012, he admitted the bank had made "serious mistakes" - which was one way of describing the hundreds of millions of pounds levied by regulators on Barclays and others for manipulating interest rates.

Answer: employer