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Hi! I'm Derrick Coetzee, an administrator on the English Wikipedia (English Wikipedia user page) and Wikimedia Commons. I'm a graduate student in computer science at the University of California, Berkeley in the United States (student homepage) and an amateur photographer. On Commons, I contribute photographs and diagrams and work on image cleanup, batch uploads of public domain images, and automated tools.
Please feel free to leave a message on my talk page or e-mail me if there's anything I can help you with, or if you just want to chat. If you want to talk on IM, just e-mail me and ask for my contact information. If you have a very private message, please encrypt it using my .
For more info about me, see my English Wikipedia user page. When I'm on IRC I'm usually on #wikipedia, #wikimedia-social, #wikipedia-en, #wikipedia-en-admins, #wikimedia-commons, and #vandalism-en-wp and my IRC nick is Dcoetzee.
Cleanup stuff 
- Category:Images with captions (most used)
- Category:Images with watermarks (most used)
- Convert to markup
- Go over list of very short and very long titles
Commons contributions 
Original contributions 
National Energy Research Scientific Computing Center 
2011 Wikipedia in Higher Education Summit 
East Bay Vivarium 
Miscellaneous computing 
Regional Park Botanic Garden 
Miscellaneous flowers 
Hulda Klager Lilac Gardens 
Cougar Mountain Zoological Park 
Marymoor Park 
Perth and Kings Park 
Aerial photos 
Miscellaneous photos 
Restored works 
Batch uploads 
Completed batch uploads 
Unless otherwise noted, these were all completed without the permission or approval of the collector. This is permitted under our PD-Art policy and standing U.S. law.
Batch uploads in progress 
I've scanned media from a number of books, purchased expressly for this purpose - generally when I upload media from a book I exhaustively scan, process, and upload all public domain media in the book. Following is a link to the category for each one and some samples: