Koon graduated from Lewis County High School in 2003 and then attended West Virginia Wesleyan College in Buckhannon.

To avoid boredom, his roommate taught him Texas Hold'Em, and Jason Koon realized he could make a lot of money.

[10] Koon's most lucrative tournament win to date was in Triton Poker's 2018 Super High Roller Series Montenegro in Budva.

[11] In August 2019 He finished 2nd in the Event 3 of London Triton Poker Super High Roller Series (£50,000 No Limit Hold'em - 8 Handed) for £907,000.

[12] On January 13, 2021, Koon made his debut on High Stakes Poker after filling the seat left empty by Jean-Robert Bellande in Episode 5 of Season 8.

Koon finished Day 1 as the overwhelming chip leader before winning the event after defeating Sean Winter heads-up for $500,000.

[19] On February 18, 2023, Koon won the 3rd annual World Series of Art Poker in Los Angeles, CA.

The unique artist based tournament is put on by Stussy, Casinola, and Wood Kusaka Studio every year coinciding with LA's art fair week.

Later that year, on May 22, Koon triumphed against Sam Greenwood, winning the $100,000 Triton Main Event in Cyprus and taking home $2,451,082.