$post_author: WP_User Object
(
    [data] => stdClass Object
        (
            [ID] => 5792
            [user_login] => stephanie-ealy
            [user_pass] => 58f65403ea7702ee257dea23be36e5a1
            [user_nicename] => stephanie-ealy
            [user_email] => [email protected]
            [user_url] => 
            [user_registered] => 2013-07-03 06:07:51
            [user_activation_key] => 
            [user_status] => 0
            [display_name] => Stephanie Ealy
            [type] => wpuser
        )

    [ID] => 5792
    [caps] => Array
        (
        )

    [cap_key] => wp_capabilities
    [roles] => Array
        (
        )

    [allcaps] => Array
        (
        )

    [filter] => 
    [site_id:WP_User:private] => 1
)

get_the_author_meta: 

$bio: 

$bios: Array
(
)