Born in Yonkers, New York, in 1975, following in the footsteps of his father and grandfather who served in the Army, Command Sergeant Major (CSM) Osvaldo Martinez Jr., the 13th Regimental Command Sergeant Major of the Judge Advocate General’s (JAG) Corps and Command Sergeant Major of the U.S. Army Legal Services Agency (USALSA) at Fort Belvoir, Virginia, enlisted in the U.S. Army in June 1993 from Leesville, Louisiana.