$co_author = Array
(
    [ID] => 194
    [user_firstname] => Emily
    [user_lastname] => Heffelman
    [nickname] => emily.g.heffelman
    [user_nicename] => emily-g-heffelman
    [display_name] => Emily Heffelman
    [user_email] => emily.g.heffelman@accenture.com
    [user_url] => 
    [user_registered] => 2020-03-13 00:54:02
    [user_description] => Emily Heffelman has over a decade of experience in the financial services industry, supporting financial institutions through complex change, new product offerings and large-scale technology transformation. In her current role as Digital Enablement lead within Digital Banking and Operations North America, she is focused on core banking transformation and partnership with key fintechs in the space.
    [user_avatar] => 
)

 $co_author = Array
(
    [ID] => 215
    [user_firstname] => Hannah
    [user_lastname] => Millar
    [nickname] => hannah.millar
    [user_nicename] => hannah-millar
    [display_name] => Hannah Millar
    [user_email] => hannah.millar@accenture.com
    [user_url] => 
    [user_registered] => 2020-06-22 14:29:15
    [user_description] => 
    [user_avatar] => 
)