I prefer to write semi-anonymously to try and draw a line between my professional legal opinions and my "academic" writing on Wikipedia.
I have been editing Wikipedia off and on for 7008331041600000000♠10 years, 179 days. I used to be quite prolific on Wikipedia, but like all things in life, kids and jobs have slowed the flood to a veritable trickle.
I have written a lot of articles, but I have never written a Featured Article (I have done a few "A class" articles though). Probably the best article that I think I have done is the local authorities swaps litigation article - that involved summarising complex concepts of law and finance in a way (I felt) reasonably understandable to the general public. In best Wikipedia fashion it was summarily assessed as a "C" class article, but what can you do?