First Sergeant Sean M. Walker
Company First Sergeant
Service Company, Headquarters & Service Battalion

First Sergeant Sean M. Walker was born in Syracuse, NY enlisted in the Marine Corps in January 1991 and completed recruit training at MCRD Parris Island, South Carolina.  After completing the Basic Metal Working Course, he was assigned the MOS 1316 Basic Metal worker.

In September 1991, Private First Class Walker reported to Marine Barracks Guantanamo Bay, Cuba, where he served through September 1992.  During this tour Lance Corporal Walker participated in JTF Guantanamo and deployed numerous times aboard US Coast Guard vessels repatriating Haitian refugees in support of the JTF.

In October 1992, Lance Corporal Walker reported to Marine Security Guard Bn for training and upon completion was assigned to MSG Detachment, Katmandu, Nepal for duty as a watch stander, during this assignment was promoted to the rank of Corporal.  Corporal Walker participated in the United States disaster relief efforts in support of the Nepalese government.  In May of 1994 Corporal Walker reported to MSG Detachment, Belgrade, Yugoslavia and was subsequently promoted to the rank of Sergeant.

In May 1995, Sergeant Walker reported to Sub Unit 1, 3d Marine Division, Camp Fuji Japan, where he served as the Heavy Equipment Chief and Platoon Sergeant.

In October 1996, Sergeant Walker reported to MWSS 273, MCAS Beaufort, SC for duty.  While there he assumed the role of Platoon Sergeant, Maintenance Platoon.  In June 1997 Sergeant Walker was assigned to the MCAS Beaufort Corporal’s Course performing the duties as a Squad Instructor/Advisor, Chief Instructor and Assistant NCOIC.

In January 1999, Sergeant Walker reported to Drill Instructor School, MCRD Parris Island, South Carolina.  He served as Drill Instructor, Senior Drill Instructor with Co C and D and Co C Operations Chief in the 1st Recruit Training Bn.  In November of 2000 Sergeant Walker was promoted to Staff Sergeant.

In May of 2002 Staff Sergeant Walker was assigned to 2d Light Armored Reconnaissance Bn, 2d Marine Division as the Bn Metal Shop Chief and Bn Maintenance Platoon Sergeant.  In Feb 2003 Staff Sergeant Walker deployed in support of I MEF in combat operations, Iraq.  In March of 2004 Staff Sergeant Walker was promoted to the rank of Gunnery Sergeant.

In April 2004 Gunnery Sergeant Walker received orders to 8^th Engineer Support Bn, 2^nd FSSG where he performed the duties of Heavy Equipment Platoon SNCOIC, Engineer Support Co Operations Chief and Bn S4 Chief. In February 2005 Gunnery Sergeant Walker deployed in support of Operation Iraqi Freedom 04-06.   Gunnery Sergeant Walker also completed the Army Basic Parachutist Course in March 2006.

On 12 May 2007 First Sergeant Walker was frocked to his present grade and was subsequently assigned to 8^th Communications Bn for duty as Headquarters Co First Sergeant.

In Sept 2007 First Sergeant Walker reported to 3d Marine Regiment, 3d Marine Division for duty as the Combat Assault Co First Sergeant.  In May 2009 First Sergeant Walker deployed in support of Operation Enduring Freedom with SPMAGTF-A and RCT-3.

In July 2010 First Sergeant Walker reported to 3d Recruit Training Bn, Recruit Training Regiment, MCRD, Parris Island for duty as Co K and subsequently Co M First Sergeant.

April 2012 First Sergeant Walker assumed the role Service Co 1stSgt, Headquarters and Service Bn, MCRD Parris Island.

First Sergeant is married to the former Julie Martin of Rum Gully, SC