He started his career together with his twin brother Siva Kaneswaran as a model at Storm Models. Does modelling for various model agencies.
Kumar is half Irish (mother), half Sri Lankan.
Besides of his twin brother Siva, he has more siblings: Gail (model), Hazel Kaneswaran (singer), Kelly, David (who sings in the band "ZOO", Daniel (singer/songwriter), and Trevor Kaneswaran (singer).