Take context from the input text and decide on the accurate relationship between 'Fannie Mae' and 'Timothy Mayopoulos' from the options provided.
Options: chairperson, chief executive officer, legal form, location of formation

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.
chief executive officer