Jesse was a runaway child born and raised in a wealthy family.
Tired of his forced life decisions, at the age of 18 he stole a good part of his parent's money and left for Europe, backpacking. Soon he met some wrong people and quickly turned to drugs, slowly burning away his money, and ended up wandering around always looking for his next fix. He arrived in Chernarus before the outbreak and has been stuck ever since.
Now he continues his time wandering, always looking for a next fix. He does his best to avoid people, and stay alive, for some unknown reason.