Gunnery Sergeant. MacDonald was born in LaJolla, California. He enlisted in the Marine Corps and attended Recruit Training in October 2008 at Marine Corps Recruit Depot, San Diego. He then attended Marine Combat Training (MCT) at Camp Pendleton, California.  Upon Completion of Marine Combat Training (MCT), Private First Class MacDonald was assigned to Marine Aviation Training Support Squadron, Mississippi to attend formal training as an Aviation Supply Specialist.  He graduated in May, 2009.
 
In May of 2009, Private First Class MacDonald reported to Marine Aviation Logistics Squadron 14 where he served in various billets.   While assigned Private First Class MacDonald was promoted to the rank of Lance Corporal and later meritoriously promoted to the ranks of Corporal and Sergeant. He also deployed to Kandahar Afghanistan in support of Operation Enduring Freedom.
 
In June 2013, Sergeant MacDonald reported for duty at Marine Aviation Training Support Squadron to serve as an instructor at the Aviation Supply Specialist School. While there, he served as an Instructor, Senior instructor, and Color Sergeant. He was also selected as Instructor of the Quarter three times, and Marine of the year in 2015. 
 
In June 2016, Sergeant MacDonald reported to Marine Aviation Logistics Squadron 39. He was promoted to the rank of Staff Sergeant in November 2016. While assigned, he served in the Supply Management Division as the Audit Branch Staff Noncommissioned Officer in charge.
 
In June 2018, Staff Sergeant MacDonald reported to Drill Instructor School at MCRD San Diego. Upon graduation, he was assigned to Delta Company where he served as a Green Belt Drill Instructor. He was later reassigned to Alpha Company where he served as Senior Drill Instructor and was nominated and selected as the Senior Drill Instructor of the quarter for the regiment. He was promoted to the rank of Gunnery Sergeant in March of 2021. 
 
In October 2021, Gunnery Sergeant MacDonald reported to Marine Aircraft Group 39 and was selected to his current position as Marine Aircraft Group (MAG) 39, Headquarters Squadron 39 First Sergeant. 
Gunnery Sergeant MacDonald's personal decorations include the Navy Commendation Medal,  and Navy and Marine Corps Achievement Medal (w/ two gold stars in lieu of 3rd award)