Participants must enroll in an Executive Certificate (including the Advanced Certificate for Executives - ACE) in order to earn that certificate. You can enroll at any time during your certificate journey, and eligible past courses will be credited toward the Executive Certificate (or ACE), but you must officially enroll in order to track your status and have the certificate issued. Executive Certificate enrollment is free. If you are not currently enrolled in an Executive Certificate, there are two ways to do so: