From Bulbapedia, the community-driven Pokémon encyclopedia.
Ryota Murayama is an illustrator for the Pokémon Trading Card Game. He has been illustrating since Flashfire starting with Druddigon. He has also ilustrated the booster packs for the Primal Clash, Roaring Skies, and Ancient Origins expansions.
For a list of cards illustrated by Ryota Murayama, go here.