Also known by the nickname Gavi, he was a tourist pianist and a main sidekick of Lindsey Stirling. He was part of Stirling's first two huge world tours.
He was a member of a band called STEFY in 2006.
All Time Low paid tribute to their longtime friend Jason just a day after he passed away after a battle with Burkitt Lymphoma.
He was living in Los Angeles when he passed away.