This user has been editing Wikipedia for more than 15 years.
History
I started editing Wikipedia around 2006, but for years my contributions remained infrequent and generally minor. In 2010 I started making more substantial contributions and in 2011 I finally got around to registering as an autoconfirmed user. At about 23,000 live edits since then, I'm still not exactly a heavy hitter in terms of volume, but I consider myself a Wikipedian through-and-through and take great pride in the accomplishments of this community -- not just in terms of our content, but also with regard to the way of getting things done (and getting on with each-other) that we've developed. I try to make myself broadly useful in a variety of areas of contribution and feel I have a thorough understanding of how this little project of ours operates.
A small part of my contributions and mostly limited to astronomy and cosmology, but with occasional minor contributions to various subfields of physics and chemistry.
...in which my contributions are all over the place, reflecting my general love of the subject in regard to every era, people, and locality it can be applied to. These interests parlay with interest and work in related fields of pre-history, current events, and geography.
I also frequently contribute guidance at the reference desks and often find it one of the more rewarding experiences on Wikipedia, especially when I can marry it to general editing of an article brought to mind in the discussion.
I'm a member of a handful of Wikiprojects relating to some of the topics I contribute to in mainspace.
I hit up our sister projects on occasion, particularly Meta, Commons and Wiktionary.
I do some ever-so-slightly more technical work with templates and complex tables wherever I find something that could use the attention, either while pursuing the above or encountering the issue through community forums.
Looking Forward
Presuming I can wrangle some of those pesky and numerous other life obligations, I'm hoping to broaden my contributions into some significant new areas.
I've already begun to engage in the daunting process of reviving some flagging WikiProjects which I think are far too underdeveloped for the importance of their subject matter. This is part of a broader interest in editor retention efforts. I'm going to be requesting mass-mailer privileges for this purpose very soon.
I hope to start contributing some free license photographic content to the project in the near future.
I've got a truly monstrous back-log of content contributions that I've committed myself to seeing through first, but I may well eventually see about whether the community would judge me to be a good candidate for a mop.
If any of the above areas are of interest to you and you have an uphill task within them, or really any subject or process, do not hesitate to drop me a line; collaboration is more than half the fun. :)
Current miscellany
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WP:WikiProject Dance needs you! Come on people, I know your feet move to the rhythm -- let your fingers groove in solidarity! ----Snowlet's rap