It's actually at PWT. It's the guy above the move deleter and relearner.
At the PWT , West of the Building and near the Move Deleter and Reteacher.
>In Black and White, he is present in the Pokémon Center in Mistralton City. In Black 2 and White 2, he's been relocated to the Pokémon World Tournament.
The same place I black and white. A dude in the mistral ion Pokemon center.
In the Pokémon Centre in Mistralton City, you will encounter a man who will tell you the type of the move Hidden Power on your Pokémon. This is a vital function if you wish to calculate your IVs.So the guy still remains in misralton city.