I'm an Ohio expatriot living in Illinois, USA. I'm quite proficient in the US variant of English and currently studying Chinese. Mostly familiar with Mandarin (Chinese: 普通话, Chinese: pŭ tōng huà), I also know a little Cantonese (Chinese: 廣東話, Chinese: guǎng dōng huà, Yale: gwóng dūng wá) and Taiwanese Mandarin (Chinese: 國語, Chinese: guó yǔ).
I mostly correct grammar and punctuation errors when I come across them. I have also made the following significant update:
Satellite collision -- Greatly expanded the list of known satellite collisions and improved its connectivity to other Wiki articles. I continue to monitor and improve the page. Recently, others have expanded on my efforts. Their help is appreciated.