Though Kelson is now aged 41 years old but till date there is no any information about his love affairs, married life and wife in the media. It is believed that he is still living a single life. His nationality is New Zealander and is of white ethnicity.
Kelson has been pursuing his career as an actor since his early 20s. In 1995, he was seen in the TV series Riding High playing the role of Jules. That year he also starred in the TV series Hercules: The Legendary Journeys. At the end of 1990s, he played the role of Toby in the movie Thinking About Sleep and Preston in the movie Fearless. He is best known for his role in an American TV series Power Rangers S.P.D.. He also voiced the role of several characters in this TV series. His net worth is unknown.