Dartanian was born in Los Angeles, USA. He is the second of oldest of triplets. Dartanian began his career in commercials and online short videos. He loves Hockey and has his own team with his triplet brother, Robert Daniel Sloan, and triplet sister, Anastasia Sloan. He played small characters in movies and TV shows until he made his biggest debut in Sinister 2 (2015) as Zach Collins, this was his first big acting job. After that he starred in a viral video about Wifi which was shown on Vine.