Hisham Muhammad
Lead developer of <a href="http://luarocks.org">LuaRocks</a>. PhD student at PUC-Rio (Rio de Janeiro, Brazil), the university where Lua is developed. Other projects include <a href="">htop</a> and <a href="http://gobolinux.org">GoboLinux</a>. I've been involved with the Lua community since 2004 and I have given talks on Lua-related topics in a number of conferences.