Lieutenant Colonel Rigby graduated from Franklin and Marshall College in May 2008 and reported directly to Officer Candidate School. Upon graduation, Lieutenant Colonel Rigby commissioned and reported to The Basic School in June 2008. He attended Basic Officer Course (BOC) 5-08 from June 2008 to November 2008 and then attended the Infantry Officer Course 2-09 from January 2009 to April 2009.
In April 2009, Lieutenant Colonel Rigby reported to 1st Battalion, 3rd Marines, 3d Marine Division and served as an Infantry Platoon Commander, Company A, until May 2010. During this time, Lieutenant Colonel Rigby deployed in support of Operation Enduring Freedom 09.2 with 1st Battalion, 3rd Marines to the Nawa District, Helmand Province, Afghanistan. In June 2010, Lieutenant Colonel Rigby was assigned as the Executive Officer, Company A, 1st Battalion, 3rd Marines until November 2011. During this time, Lieutenant Colonel Rigby deployed in support of Operation Enduring Freedom in the Garmsir District, Helmand Province, Afghanistan. From November 2011 to June 2012, Lieutenant Colonel Rigby was assigned as the Company Commander, Company A, 1st Battalion, 3rd Marines and deployed in support of Joint Exercise Hammel in Townsville, Australia.
Lieutenant Colonel Rigby transferred to The Basic School in Quantico, Virginia, in June 2012 and was assigned as a Warfighting Instructor in the Maneuver Section. In December 2012, Lieutenant Colonel Rigby reported to The Infantry Officer Course serving as a primary instructor for urban combat, combat orders, planning, and platoon field exercises. He was later the Class Advisor for Infantry Officer Course Class 4-14.
In May 2015, Lieutenant Colonel Rigby reported to Expeditionary Warfare School as a student. Upon graduation in June 2016, he was assigned as the Tactics Officer in Charge of Officer Candidate School aboard Brown Field, Quantico, Virginia, until August 2016. Lieutenant Colonel Rigby departed Virginia and reported to 1st Battalion, 8th Marines, 2d Marine Division, Camp Lejeune, North Carolina. In September 2016, he assumed command of Company A, 1st Battalion, 8th Marines until November 2017. During this time, he deployed Company A in support of Unit Deployment Program 3-17 in Okinawa, Japan. Upon relinquishing command, Lieutenant Colonel Rigby was assigned as the Operations Officer of 1st Battalion, 8th Marines and deployed in support of Marine Rotational Force – Europe 19.2 to Norway. Upon his return, he assumed the duties as the Executive Officer for 1st Battalion, 8th Marines until May of 2020.
In June 2020, Lieutenant Colonel Rigby assumed command of Recruiting Station Louisville, Kentucky, until the successful completion of his command tour in July 2023. Lieutenant Colonel Rigby was then selected to attend Marine Corps Command and Staff College in Quantico, Virginia, for the 2024 academic year. After graduation, Lieutenant Colonel Rigby received orders to Marine Corps Recruit Depot, San Diego, California to assume the duties as Deputy, Assistant Chief of Staff, for the Western Recruiting Region in August 2024.
Lieutenant Colonel Rigby’s personal decorations include: (2) Meritorious Service Medals, (4) Navy/Marine Corps Commendation Medals, (1) Navy/Marine Corps Achievement Medal.