Userboxes This user has been editing Wikipedia for more than 15 years. This user is vegan. This user supports animal liberation. This user supports the expiration of all copyright after 20 years. This user is an atheist. This user lives in Barcelona. This user supports the independence of any nation that wants it. This user likes turtles.

ChaTo is my nickname. My real name is Carlos Alberto Alejandro CASTILLO Ocaranza (1977-). I was active as a Wikipedia editor mostly in 2005-2011, now I edit only occassionally.

I am Distinguished Research Professor at Universitat Pompeu Fabra in Barcelona, where I lead the Web Science and Social Computing research group.

I have published some peer-reviewed articles on Wikipedia:

• Uneven Coverage of Natural Disasters in Wikipedia: the Case of Floods, ISCRAM 2020.
• Emotions under discussion: Gender, status and communication in online collaboration, PLoS One 2014.
• Drawing a Data-Driven Portrait of Wikipedia Editors, WWW 2012.
• Emotions and Dialogue on a Peer-Production Community, WikiSym 2012.
• Temporal Analysis of the Wikigraph, Web Intelligence 2006.

More information is available on my Website www.ChaTo.cl.