Real name: Jonathan Tiongco

DJ Jamtrx began professionally re-mixing since 1991. He was one of the Top Remixers for DISCOTECH USA before it closed following the death of partner and company owner, Lenny Gray in 1996. He wrote, composed, arranged and produced tracks all in his Studio and was a Digidesign & Sound Forge Pioneer for 10 years. In August 2005, Jonathan was commissioned by the Philippine Government to analyze the infamous "Hello Garci" wiretapps, which almost impeached Philippine President Gloria Arroyo.

Tiongco, 36, died of multiple fractures early Saturday (June 23, 2007) after his Toyota Avanza car (ZHE 466) collided with a dump truck along Commonwealth Ave. He was brought to the FEU Hospital in Fairview for treatment but died eventually.