Utilize the input text as a context reference, choose the right relationship between Brian Moynihan and Bank of America 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.

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