Born in Montgomery, Alabama, Chanchez spent most of his childhood in Alabama and Atlanta, Georgia. He attended Sidney Lanier High School in Montgomery, Alabama. Chanchez has appeared in various guest role on For Your Love, The Guardian, Jack & Bobby, NCIS, and Everwood. From 2006 to 2009, he appeared on the CW television series The Game. Chanchez portrays quarterback Malik El Debarge Wright, opposite Wendy Raquel Robinson (who portrays his mother and agent). The series returned to the air on BET in January 2011.
Chanchez also has a theater background with roles in Shop Life, The Wiz, The Long Walk Home, Royal Oats and Glory. Hosea's nationality is Dominican and African American.