The gym leaders for Black 2 & White 2 have been confirmed in a new guidebook. First up, your friend Cheren from Black & White has risen up to become a gym leader, and is the first leader you encounter.
There are also two new gym leaders, Homika
and Shizui
(English names TBC) who specialize in Poison and Water types respectively. Homika's gym is a music club, while Shizui's gym features a lily pad puzzle.
New gym leaders Homika (Poison) and Shizui (Water)
The other gyms remain the same. Full list below...