A native Texan and avid anime fan, Josh Grelle has been working in voice work for over 10 years. After starting with ADV Films in January 2004, Josh was quickly bombarded with tons of in-booth experience on a wide range of shows, including Wedding Peach, Steam Detectives, 009-1, and the legendary Gatchaman.

He began working for FUNimation Entertainment in 2006. Since then, he has starred in numerous titles; his most famous being Kenichi in Kenichi: The Mightiest Disciple. Other roles include Armin in Attack on Titan, Kyohei in the Wallflower, Kouichi in Linebarrles of Iron, Yuki in Future Diary, Itsuki in Initial D, and Kuranosuke in Princess Jellyfish. More recent roles include Chow from Starship Troopers: Invasion, Nicky in Mass Effect: Paragon Lost, Kazuya Aoi in Freezing, Yuji Sakai in Shakugan no Shana, Akihisa Yoshii in Baka and Test, and Komatsu in Toriko. Aside from anime, Josh has lent his voice to a number of video games, including Sima Shi in Dynasty Warriors 7, Xbalanque in Smite, Dave in Borderlands 2, and the voice of the "energetic" custom character in Dragonball Z: Ultimate Tenkaichi.

Josh is represented by The Mary Collins Agency.