From Bulbapedia, the community-driven Pokémon encyclopedia.
Susumu Chiba (Japanese: 千葉進歩 Chiba Susumu) is a Japanese voice actor for the Pokémon anime. He was born in Kanagawa, Japan on September 13th, 1970.
Chiba's most notable role on Pokémon was that of Lance. He has also voiced a few Pokémon and characters of the day.
Voices on Pokémon