No. Certification is not required for this industry.
The best people in the game don't have certifications, and for many people, you simply don't need one.
That said, some people like to show future recruiters and clients that they (or their team) have taken and earned a certification.
We've also received feedback that many employers won't expense the training without some type of evidence the student has completed the course. We got so many requests from our users for this, that we decided to add it.