William Christie was born in 1960 in Boston, Massachusetts. He graduated from the University of Pennsylvania in 1982 with a Bachelor of Arts degree in Political Science. On April 13th, 1984, he graduated from Marine Corps Officer Candidate School at Quantico, Virginia and was commissioned a 2nd Lieutenant officer. After the Basic Officer Course and the Infantry Officer Course he was assigned to the 3rd Battalion, 6th Marine Regiment, 2nd Marine Division at Camp Lejeune, North Carolina in January 1985.

He commanded 2nd Platoon, Company I, 3rd Battalion, 6th Marines from January 1985 to April 1986. This included a 6-month deployment to the 3rd Marine Division in Okinawa, Japan from July 1985 to January 1986. He was promoted to 1st Lieutenant in April 1986, after graduating from the Marine Corps Winter Mountain Leader Instructor Course at Bridgeport, California.

He next served as executive officer (2nd in command) of Company L, 3rd Battalion, 6th Marines. He was then assigned to Weapons Company, 3rd Battalion, 6th Marines as the Heavy Machine-gun platoon commander from July 1986 to August 1987.

During this period, 3rd Battalion, 6th Marines deployed aboard ship to the Mediterranean as the ground combat element of the 26th Marine Amphibious Unit (Special Operations Capable) from January to July 1987. Current practice is to call these units Marine Expeditionary Units.

Leaving the Marine Corps in August, 1987, he began writing. THE WARRIORS OF GOD was published in January 1992. MERCY MISSION was published in August 2000. THE BLOOD WE SHED was published in January 2005.