Follow the below steps to add Author Name in Author Bio Section
You will find this option in the WordPress Dashboard -> Navigate to AMP option panel -> Design -> Single -> Enable “Author Bio” option and then click on the “Save Changes” button.

Scroll down a little to see this option
Once you enable Author Bio option three options will be displayed like Author Name, Author Description and Link to Author pages you need to enable Author Name and then click on the “Save Changes” button.

The output of the Author Name in a single page

That’s it for this tutorial!
We hope it helped you. If you have any feedback or questions, then please share them in the comments section below.
Hi,
The author bio is too far. Isn’t there an option to place it just after content? And there’s no option to enable description.
Only avatar and author name are currently showing.
Hi Dennis,
Will you please contact our technical team from here- https://ampforwp.com/support/ they will help you as soon as possible.