David Patrick Seitz (born March 17, 1978) is an American voice actor, ADR director and script writer best known for portraying Dio Brando in JoJo's Bizarre Adventure. He has provided voices for English versions of Japanese anime and video games, including over 100 projects since his initial foray into the voice-over industry in 2000 with the Amazing Nurse Nanako OVA.
Source: Wikipedia