Custom About Author plugin by edwinkwan acknowleges authors for their post by displaying a brief biography about them at the end of their post. Giving authors the credit they deserve!
This plugin is perfect if you have multiple guest bloggers on your website and they do not each have a user account. It also gives an added incentive for bloggers to write guest posts on your site. Multiple custom profiles can be created and they take preference over website user profiles. You also have the option to specify a specific profile to display for each post. Custom profiles are completely configurable, it can include links to social media (such as Twitter, Facebook, LinkedIn & Google+) or you can specify any HTML/text you want to display.
Features:
Display author profile at end of post.
Display website user profile or a custom profile.
Custom profile displayed take precedence over website profile.
Able to display ANY custom profile (does not need to match the username of the post author)
Ability to display profile display on a per post author basis or on a post basis.
Option to include social media buttons on both website profile or custom profile.
Custom Profile is fully configurable. You can choose to display anything you like in there.
This plugin displays the author profile at the end of the post. It gives you have the option to display the author’s website user profile or a custom profile.
Download and info: http://wordpress.org/extend/plugins/custom-about-author/