What is the relationship between Brian Moynihan and Bank of America in the context of the input sentence. Choose an answer from: 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.

Stung by a wave of investor criticism, Bank of America Corp. is stepping up efforts to convince shareholders that Chief Executive Brian Moynihan should remain chairman.

Answer: employer