Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

LONDON, July 8 Barclays Plc said Chief Executive Antony Jenkins was to leave, with its chairman John McFarlane taking over executive duties, after the board decided new leadership was required to take the bank forward.

Answer: employer: Antony Jenkins, Barclays