Kolack was born on October 25, 1969, in Austin, Texas. He became a voice actor as an adult and was primarily affiliated with 4Kids Entertainment until sometime before they filed for bankruptcy. He also acted on live-action productions. Kolack voiced Vincent in the special The Legend of Thunder!, which aired internationally as the first three episodes of Pokémon Chronicles.
Other non-Pokémon roles
- Tokkori (Kirby: Right Back at Ya!)
- Carrot, Pepper, Mr. 2/Bon Clay (One Piece)
- Khybon, additional voices (Chaotic)