Colonel Erickson is from Arizona. He enlisted in the Marine Corps in 1986 and attended boot camp at Marine Corps Recruit Depot San Diego, CA. While enlisted, he was assigned to MCAS, Kaneohe Bay, HI where he pursued his undergraduate degree from Chaminade University, Honolulu, HI. After completing his enlistment, and undergraduate degree, he was commissioned as a Second Lieutenant in December 1992. Following The Basic School, in August of 1994, he attended Navy Supply Corps School in Athens, GA to become an Aviation Supply Officer.
In January 1995, he was assigned to MALS- 12, MAG-12, MCAS Iwakuni Japan. In March 1998, he was selected to the Law Education Program and attended Thomas Jefferson School of Law in September 1998 and graduated cum laude in May 2001. Upon receiving his Juris Doctorate and passing the Arizona Bar, he was assigned as a Judge Advocate at MCAGCC, Twentynine Palms, CA. There he served as Installation Law Officer, Senior Defense Counsel, Military Justice Officer, and Deputy Staff Judge Advocate. In July 2006, he was assigned as Trial Counsel for Legal Services Support Team C, in support of Commander, Marine Forces Central Command for cases arising out of Operation Iraq Freedom. While assigned at LSST C, he deployed in 2007 and in 2008 to Haditha and Al Asaad, Iraq.
In May 2008, he was assigned as the Officer-in-Charge of Legal Services Support Team E. In July 2009, he reported to I Marine Expeditionary Force (MEF) as the Deputy Staff Judge Advocate (SJA). In 2010, he deployed to Afghanistan where he served as the I MEF(FWD) SJA and the Regional Command Southwest, Legal Advisor. After returning from Afghanistan, he was assigned as the Officer-in-Charge, Legal Services Support Section, Camp Pendleton, CA.
In June 2012, he took command of 2d Recruit Training Battalion, Recruit Training Regiment, MCRD San Diego, CA. In July 2014, he attended the U.S. Army War College. In June 2015, he reported to Recruit Training Regiment, Marine Corps Recruit Depot, San Diego, CA for duty as Regimental Commanding Officer. In July of 2017, he reported to I MEF as the Staff Judge Advocate. In 2020, Col Erickson served as the Chief of Staff or MCRD Western Recruiting Region and in July 2021 assumed his current role as the Chief of Staff, U.S. Marine Corps Forces, Pacific.