 Concepcion already had various plays under his name, as early as nine years of age.This included the role of Edmund Pevensie in the local stage adaptation of "The Lion, The Witch, and The Wardrobe", "'Peter Pan and the Time Machine" and "Mr. Noah's Big Boat".Aside from theatre plays, Concepcion also did not appear on television through a commercial featuring him and his real-life dad in "Maggi Sinigang sa Miso".