Derivative of <a href="//commons.wikimedia.org/wiki/File:WMF_Conference_2013_-_Milano_-_8063.jpg" title="File:WMF Conference 2013 - Milano - 8063.jpg">File:WMF Conference 2013 - Milano - 8063.jpg</a> to make a usable thumbnail portrait.
Melirius
<a href="//commons.wikimedia.org/wiki/File:WMF_Conference_2013_-_Milano_-_8063.jpg" title="File:WMF Conference 2013 - Milano - 8063.jpg">File:WMF_Conference_2013_-_Milano_-_8063.jpg</a>