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pl-N Polski jest językiem ojczystym tego użytkownika.
en-4 This user has near native speaker knowledge of English.
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My name is Tomasz W. Kozlowski and I am a Wikimedian.

I have been involved with Wikimedia since November 2005. I first started editing the Polish Wikipedia, but soon switched to Wikimedia Commons, where I am an administrator, a bureaucrat and an oversighter.

I enjoy participating in Wikimedia by uploading new files to Commons, proofreading works at Wikisource and helping with technical requests, including creating localized logos for our projects, using Gerrit.

I was born in Poland but live in England.