Cadre and Staff

Lieutenant Colonel Mun
Professor of Military Science 


Lieutenant Colonel David Mun graduated from the United States Military Academy in 2004 and commissioned as a Field Artillery Officer. He has served in numerous positions from platoon to Corps. His most recent assignment was serving as a Joint Fire Support Officer for the 1st German-Netherlands Corps in Muenster, Germany.  He is a graduate of numerous military schools and holds a BS in Economics and a MBA from Harvard Business School.  LTC Mun lives in the Boston area with his wife and two children.


Major Rosebaugh

Assistant Professor of Military Science

MAJ Rosebaugh

Major Jared Rosebaugh enlisted into the United States Army in 2005 and commissioned as an Ordnance Officer in 2007.  He transitioned to a Logistics Officer upon completion of the Logistics Captain’s Career Course.  Through his career, he has served the positions of Platoon Leader, Area Support Group Contracting Officer Technical Representative, Company Commander, Sustainment Brigade Contingency Contracting Officer, and Sustainment Brigade Support Operations Officer.  His assignment before joining Liberty Battalion was the Executive Officer for the 4th LOGCAP Support Battalion.  He holds a MBA from Baker University.  Major Rosebaugh lives in Boston with his wife of 19 years and daughter.


                                         Major Stebbins                 

Assistant Professor of Military Science

Major Grady Stebbins graduated the Boise State ROTC program in 2007 and commissioned as a Field Artillery officer.  He has served as a platoon leader, executive officer, battery commander, instructor, OC/T, and staff officer from the battalion to division level.  MAJ Stebbins has deployed three times to Afghanistan in both combat and advisory roles.  He has gradated from numerous military schools and holds an MBA from the University of North Carolina.  MAJ Stebbins lives in Newton with his wife Alexandra and baby Palmer.

Captain Fitzgerald

Assistant Professor of Military Science

Captain Sean Fitzgerald graduated from the United States Military Academy at West Point in 2013 and commissioned as an Infantry officer.  Following graduation from the Infantry Basic Officer Leaders Course and Ranger School, he was assigned to Fort Carson, CO where he served as a Heavy Weapons Platoon Leader and Rifle Company Executive Officer. In 2017, CPT Fitzgerald attend the Military Intelligence Officer Transition Course and Captain’s Career Course and was re-designated as a Military Intelligence officer. He was assigned to Fort Hood, TX where he served as a BN S2, G2 Operations Officer, and Commander of a Human Intelligence and Counterintelligence company. CPT Fitzgerald deployed to Afghanistan in 2019 with the 1st Cavalry Division staff in support of Operation Freedom Sentinel.  He joined the Liberty Battalion team in the summer of 2021.  CPT Fitzgerald lives in Jamaica Plain with his wife Lauren and their two dogs, Kira and Sadie.




Master Sergeant Salas
Senior Military Science Instructor

   MSG Salas enlisted in the US Army as a Cavalry Scout in August 2003 and attended MSG Jesus SalasOne Station Unit Training at Fort Knox, Kentucky. Upon graduation, he was assigned to the Scout Platoon in Headquarters and Headquarters Company (HHC), 2nd Battalion, 12th Cavalry in Fort Hood, Texas. His duty positions included Driver, Dismounted Scout, and HMMWV Gunner. MSG Salas was reassigned to another Scout Platoon in HHC, 1st Battalion, 36th Infantry in Friedberg Germany in June 2005 where he served as a Scout Squad Leader and Scout Section Leader. In the summer of 2007, he was assigned to the 11th Armored Cavalry Regiment in Fort Irwin, CA where he served as an Observer Controller. In August 2009, MSG Salas was assigned to C Troop, 2nd Squadron, 14th Cavalry in Schofield Barracks, Hawaii where he served as a Scout Section Leader, Scout Platoon Sergeant and the Intelligence Operations NCOIC for the Squadron. Upon the completion of his tenure in Hawaii MSG Salas was assigned to the 4th Cavalry Brigade in Fort Knox, KY in 2011 where he served as an Observer Controller for the Reserve component and National Guard units in U.S Army East. In 2016 MSG Salas was then reassigned to Fort Bliss, Texas where he served as the Brigade Operations Sergeant Major for 1st Brigade, 1st Armor Division and then later as the First Sergeant for Apache Troop, 6th Squadron, 1st Cavalry Regiment.

   MSG Salas has four deployments to Iraq in support of Operation Iraqi Freedom, Operation Enduring Freedom 05 and 07, Operation New Dawn in 09 and once to Afghanistan’s Kandahar Province in support of Operation Resolute Support.

MSG Salas’s military education includes the Warrior Leader Course, Advanced Leader Course, Senior Leader Course, Master Leader Course, Master Resilience Trainer, Equal Opportunity Leader, Army Combative level 1 and 2, Combat Lifesaver, Company Commander/1SG Command Course, Cavalry Leaders Course, Foundation Instructor Facilitator Course and The Observer Controller and Trainer Academy. MSG Salas holds and Associate’s Degree in General Studies and has maintain a high GPA while working towards a Bachelor’s of Science in Human Resources Management from American Military University.

MSG Salas awards and decorations include Bronze Star Medal, Meritorious Service Medal (2), Purple Heart (2), Army Commendation Medal for Valor and Army Commendation Medal (4), Army Achievement Medal (6), Good Conduct Medal (4), Global War on Terrorism Service Medal, Global War on Terrorism Expeditionary Medal, NCO Professional Development Ribbon (4), Army Service Ribbon, Afghanistan Campaign Medal, Iraqi Campaign Medal, Valorous Unit Award, NATO Medal, Overseas Service Ribbon (5), Combat Action Badge, the Drivers Badge and the German Armed Forces Proficiency Badge (Silver). MSG Salas has also been awarded the Draper Armor Leadership Award, has been Knighted into the Order of Saint George Bronze Medallions and the Order of Gold and Silver Spur.

Sergeant First Class Garza

Military Science Instructor


Sergeant First Class Wilson

Military Science Instructor

SFC Wilson was born in Omaha, NE in 1984.  He graduated from Omaha Central High school in Omaha, NE in 2002.

SFC Wilson joined the United States Army in July 2002.  He attended Infantry One Station Unit Training (OSUT) at Fort Benning, Georgia.  Immediately following, he attended the Basic Parachutist Course at Fort Benning, Georgia and was awarded the P identifier upon graduation.

SFC Wilson’s duty assignments include: Platoon RTO, Squad Automatic Rifleman, Fireteam Leader and Squad Leader with A Co 2nd Battalion, 325th Airborne Infantry Regiment at Fort Bragg, North Carolina; Squad Leader, Weapons Squad Leader, and Platoon Sergeant with 2nd Battalion, 1st Infantry Regiment at Joint Base Lewis-McChord, Washington; Instructor/Writer with the 8th Army Whittman Non-Commissioned Officer’s Academy (Basic Leader’s Course); Platoon Sergeant and First Sergeant with 1st Battalion, 8th Infantry Regiment at Fort Carson, Colorado.

SFC Wilson’s awards and decorations include: Army Commendation Medal (Valor Device and 8 OLC), Army Achievement Medal (3 OLC), Presidential Unit Citation, Valorous Unit Citation, Meritorious Unit Citation, Army Good Conduct Medal (4th Award), National Defense Service Medal, Afghanistan Campaign Medal (3 Stars), Iraq Campaign Medal (5 Stars), Global War on Terror Expeditionary Medal,  Global War on Terror Service Medal, Non-Commissioned Officer Professional Development Ribbon (3), Overseas Service Ribbon (4), NATO/ISAF Medal, Combat Infantryman Badge, Expert Infantryman Badge, German Parachutist Badge, and Basic Parachutist Badge.

Mr. Raphael Howard

Military Science Instructor

Raphael Howard

Mr Raphael Howard is from Central Massachusetts where he grew up. He earned a Bachelor of Science in Psychology with a minor in Middle East Studies and concentration in Women’s Studies from Worcester State College and a Master of Arts in Organizational Psychology from William James College, Newton, MA.

Mr Howard enlisted in the MAARNG in 1997 as a junior in high school completing Basic Training in Ft Benning, GA between his Jr/Sr year of High school.  He Completed Advanced Infantry Training upon graduation that next summer in 1998 before starting his freshman year of college classes to include WPI Army ROTC.

He served in the oldest Infantry unit in the Army, the 1-181 Inf BN, 29th ID (L) MAARNG.  While enlisted, he supported a company level troop exchange in the UK in 2000, Peacekeeping in Bosnia Herzegovina as part of NATO’s SFOR 10 rotation from 2001-2002,1-509th OPFOR unit Augment to validate US Army Stryker BCT concept validation in 2003, deployed in support of OEF to Guantanamo Bay, Cuba to provide security operations for the JDOG of JTF GTMO from 2003-2004, and Humanitarian Assistance in New Orleans after Hurricane Katrina in 2005.

He received his Commission through WPI Army ROTC as a Signal Officer in 2007 and was accepted into the 443rd CA BN as the S6.  In 2008 he was individually mobilized to support the US Army’s Human Terrain System proof of concept through TRADOC G2.  While with the project he conducted socio cultural research in Mosul, Iraq plus surrounding areas of Ninewa Province attached to the HTT of 3rd ACR and later 3rd BCT, 1 CAV Div in 2008-2009.  Soon after HTS became a program of record, he completed the Afghanistan Studies course at University of Nebraska, Omaha. He then individually deployed to Afghanistan’s Parwan province attached to the J9’s HTAT in CJTF-82nd and later CJTF-101st from 2009 to 2010 as a research manager.  He returned to the 443rd CA BN where he graduated from Civil Affairs Qualification Course in 2011 at JFKSWC as a newly branched CA officer. He deployed with B Co, 443rd CA BN conducting civil military operations in Wardak, Afghanistan from 2011-2012 as a CA Team Chief.  Upon return from deployment he took a 1-year contract as a civilian instructor at WPI Army ROTC. Shortly after completing it he then deployed to Djibouti, Africa as the Civil Information Management Chief for HHC 443rd CA BN from 2013-2014 leading a section that analyzed and managed civil populace information of the nations across east Africa. After deployment he completed his Masters in Org Psych and entered work in Program Management with MorphoTrustUSA. In 2017 he supported Operation Saber Guardian as a CA officer on the Civil Liaison Team with HHC 443rd CA BN operating at MK Airbase in Romania. Shortly afterward he deployed back to Africa with A Co 407th CA BN supporting a SATMO mission for the OSC of the US Embassy to Uganda to support the UPDF in creating plus implementing the CIMIC/CA Tactical Company Course to qualify UGABAG’s 25 and 26 CIMIC Officers in its CIMIC units as part of the nation’s peacekeeping support to the AU’s peacekeeping operations in Somalia from 2017-2018. Most recently in 2019 he individually augmented C Co 411th CA BN as a Team Chief ISO Operation Saber Junction at JMRC in Hohenfels, Germany and again with a CA Team in early 2020 with B Co 443rd  CA BN during Operation Combined Resolve XIII providing him the opportunity to hone the skills to conduct operations on the hybrid battlefield.  He currently still serves in the USAR and is a full-time civilian Military Science Instructor at Northeastern Univ. Army ROTC.

.Mr Howard is a graduate of the Signal Officer Basic Course, Human Terrain System Course, Civil Affairs Qualification Course, and US Army Quartermaster Captain’s Career Course, and is enrolled in the ILE.

Mr Howard’s military awards include the Bronze Star, Purple Heart, Joint Commendation Medal, and other numerous commendation and achievement awards.



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