Born in Los Angeles, California. Joined U.S. Army, 1983. Served with the 7th Infantry Division, 1984-87. Rose to rank of Staff Sergeant before being recruited by the American Central Intelligence Agency (CIA) in 1987 for narcotics interdiction operations in South America. Discharged 1988 and became a full-time CIA employee the same year, working under John Clark. Service records for the years 1989-99 are sealed. Earned B.S. Political Science, George Mason University, 1995. M.A. International Relations from the same institution 1999. Married.
Chavez is an excellent light infantry soldier with an exceptional grasp of small unit tactics and close quarters battle. Although small in stature he is powerfully built and agile, a formidable opponent with a wide range of weapons and in hand-to-hand combat.