Blog Authors
Whether you have individuals blogging or create an organizational entity for your blog posts, you'll need at least one author – and author data is found in the sitewide assets section.
Mouseover Authors and writers, and choose New from the flyout menu.
Add names, emails, brief bios, a photo, and any social media links, and then save.
When you select an author for a blog post from the drop down menu, it will add this block to your posts: