Flash Jack is a Swiss DJ and producer based in Lugano. He began DJing in 2012 and launched the Flash Jack production project in late 2016, finding his sound in progressive psytrance, rhythmic grooves and psychedelic textures. His release history includes Blue Tunes Records, Madabeats and New Kicks Records, with appearances at festivals including Halfmoon in Thailand and Burning Mountain in Switzerland. On Convolva's catalogue, he appears on the Zombie cover and remix, made with Convolva and featuring vocals by Nito-Onna.