Vaggelis Gryparis, better known by his stage names G-GROOVE and BEAT ON BOARD, start his career as guest Dj it begins in 2000, as well as a longtime performer for many Athens and Mykonos-based clubs, including Sixx Athens , Pacha and Paradise club , He has been presented next to very famous Djs and producers as: Paul Van Dyk, Erick Morillo, M.A.N.D.Y , Hot Since 82 , Francois Kevorkian, Matthias Heilbronn, Milk and Sugar, Harry Choo Choo Romero, Miles Hollway, Jay-J, Latrice Barnett and a lot of other.