Jes is a Zemeni man who worked with Malyen Oretsev in a Jurda warehouse while Mal and Alina Starkov were in hiding in Cofton. Alina could not remember his name, referring to him as both "Jep" and "Jef." She also considered his Ravkan "broken."
He asked Mal why Alina wore a scarf everywhere, and to cover up the fact that she was hiding Morozova's Collar, Mal claimed she suffered from a goiter. Jes was very disturbed to hear of Alina's supposed affliction, and he promised to pray to the God of Work for Alina's recovery.