Refer to the input text as context and select the correct relationship between 'Fannie Mae' and 'Timothy Mayopoulos' from the available options.
Options: director/manager, chief executive officer, owned by, original broadcaster

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