For general discussion and questions, it is strongly recommended that you use the mailing list.
If you find bugs, please file them in the issue tracker.
The maintainer of Meson is Jussi Pakkanen. You should usually not
contact him privately but rather use the channels listed
above. However if such a need arises, he can be reached at gmail where
his username is jpakkane
(that is not a typo, the last letter is
indeed e).