Jason Sizemore made his porn debut in the adult entertainment industry in 2001. He remained an active performer up until 2008. Jason was featured in a total of 30 porn movies within his active years in the porn industry. He mostly played top roles and did some steamy masturbation scenes. Jason Sizemore was first featured in Sunny Delights exclusively released by Junior Studio. In 2002, he joined the casts of Monster Meat where he performed alongside porn actors Johnny Law and Stonie. Naughty Dreams chose him to perform in My Brother Prefers Boys released in 2007. The other works of Jason Sizemore also include Huge Cock Club, Sunny Delights, Young Joyriders and Prick Tease.