Utilize the input text as a context reference, choose the right relationship between Fannie Mae and Timothy Mayopoulos 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.

Earlier this month, financial disclosures revealed that Fannie Mae CEO Timothy Mayopoulos and Freddie Mac CEO Donald Layton will each earn compensation of about $4 million.

Answer: chief_executive_officer