Jefferson is in his first season as an assistant coach for the Cowboys after a stellar playing career.
He was a two-time first-team All-ASC selection. He was also named to the all-ASC Tournament team four times, the only player in league history to accomplish that feat. He led the Cowboys to the ASC Tournament four times as a player and twice to the ASC Championship game.
After his senior season he was named to the all-South region team by the NABC and D3hoops.com.
He is among the all-time best HSU basketball players and ranks second all-time in scoring (1,625), third in rebounding (795), first in steals (240), fourth in assists (289) and seventh in blocked shots (67). He also is the all-time leader in free throws made (695) and is second in field goals made (546).
Jefferson has a bachelor's degree from Hardin-Simmons in criminal justice.