I recently switched employers and have no access to recover a password to my Trailhead account since it's being sent to my old employer's email address. I have attempted to reach out to my past employer to see if they can forward emails, but haven't heard anything back. I'd like to keep my progress and badges instead of having to start over, but I can't find a way to do that. Any help is appreciated.

Cant finish, geting the error Challenge Not yet complete... here's what's wrong: 
Could not find the published Knowledge article.   but its done