Antonio Sanchez

Microdata About plugin offers a easy wat to implement Microdata about persons, companies or organisations in your WP site.
In the Plugin Options Page there is a formular called Microdata About. Fill up the formular with the data of the person or company you want to show and then add it to your post with the shortcode [mcaddress] or place it in a widget area with the widget included.
Options: 
You can choose to show the microdata of a person or a company.
For the shortdode, the default option is the company microdata, but you can change it with the parameter \”a\”, like this:
<ul>
<li>For persons: [mcaddress a=”person”]</li>
<li>For companies: [mcaddress a=”company”]</li>
</ul>
For the widget, just check the box with the “Show Person Microdata” option.
For detailed information see <a href="http://antsanchez.com/blog/wp-plugin-microdata/" rel="nofollow ugc">WP Plugin Microdata</a>.

Microdata About

Microdata About plugin offers a easy wat to implement microdata about persons, companies or organisations in your WP site.

d3wp

WPManiax

This widget will show general information (small resume) <a href="http://www.wpmaniax.com/about-me-3000/" rel="nofollow ugc">About You</a> on your wordpress site.
Add your email and small description, and your gravatar will be shown next to the summary. You can also show icons (URLs) of your social network accounts.
Currently, the following social networks are supported:
<ul>
<li>Facebook</li>
<li>Friendfeed</li>
<li>Flickr</li>
<li>Delicious</li>
<li>Feedburner</li>
<li>GitHub</li>
<li>Google Plus</li>
<li>Instagram</li>
<li>MySpace</li>
<li>LinkedIn</li>
<li>Pinterest</li>
<li>Posterous</li>
<li>Skype</li>
<li>StumbleUpon</li>
<li>Technorati</li>
<li>Twitter</li>
<li>YouTube</li>
<li>Tumblr</li>
<li>Xing</li>
</ul>
You can even add your Feedburner ID, and the plugin will show the number of subscribers, next to a standard Feedburner image.
For more information please visit the home of the <a href="http://www.wpmaniax.com/about-me-3000/" rel="nofollow ugc">About Me 3000 plugin</a>
<h3>Feedback</h3>
http://www.wpmaniax.com/about-me-3000/

About Me 3000 widget

This widget will show general information (small resume) About You on your wordpress site.

Microdata About vs About Me 3000 widget