You can link a custom URL to “Post Author Name” using the Combo Blocks plugin. This article will help you to link the post’s author name to a custom URL.
To begin, insert a “Post Author” block.
Click on the “Name” tab.
Now choose “Custom URL” from “Link to” to link the post author name to the custom URL.
To add the custom link, click on the “Custom URL” link button and add the link here.