I frequently use Wireshark in my work and have been using it since 2003 when it was still being called Ethereal.
Since then, I've written many dissectors (both builtin and plugin C dissectors as well as Lua dissectors), a few taps, Lua-post-dissectors and contributed to Wireshark development and to the Wireshark community in general. I try to help answer Wireshark users' questions, both at this site and over at https://stackexchange.com/.