Jason is a professional duelist who's in the ranks with Aster Phoenix and other Pro Duelist and close to Yugi's skills.
New Semester Arc
Jason doesn't appeared until the 2nd Season of Generation Duelist! He takes a break from Pro Dueling to visit Shanoske and even duels him when they first dueled he used a mash-up deck. Later on he enrolls into Duel Academy just to enjoy other duelist and to get to know his brother a little bit better. During his stay he had a scheduled Pro Match aganist Chris Kaiser and defeated him with ease. Now he's on his way back to Duel Academy.