See attached screenshot:
That is the result after clicking in to this email:
Can you double-check the board settings (if that member is belonging to that board).
Also, the permissions for that workspace, for a specific role your president of company has?
Yes they belong, and are admin status. They weren’t logged in when they clicked the link though, which is why the link takes them there I think. It should be routing him to log in first, but instead takes him to the page shown.