Martin assumed duties as Deputy Commanding General/Chief of Staff, United States Army Training and Doctrine Command, March 5, 2018. In this role he has prioritized unit modernization for the battlefield of the future, including an emphasis on evasion of adversary electronic warfare systems, empowering units to "unplug and disappear" as a failsafe capability. He's also worked on a new leadership development program, pushing for greater trust and autonomy for lower leaders to act independently without layers of higher command approval, and emphasized a need for leaders to be well educated, ethically grounded, and of sound character. Previously he served in a variety of staff and leadership assignments including duty in: •
Commanding General,
United States Army Combined Arms Center,
Fort Leavenworth, Kansas. • Deputy Commanding General/Chief of Staff,
United States Army Training and Doctrine Command,
Joint Base Langley–Eustis,
Virginia • Special Assistant to the Director of
the Army Staff, Office of the
Chief of Staff,
United States Army,
Washington, DC •
Armor Branch Chief and Chief of Combat Arms Division,
Human Resources Command,
Alexandria, Virginia. • Deputy Chief of Staff (G3),
4th Infantry Division,
Fort Hood, Texas and
Operation Iraqi Freedom in Iraq. • 73rd
Commandant of Cadets at the
United States Military Academy. • Advisor, Imam Mohammed bin Saud Brigade, later the Prince Sa’ad bin Abdul Rahman Brigade,
Kingdom of Saudi Arabia. • Iraq Field Team Leader, Joint Improvised Explosive Device-Defeat Task Force,
Baghdad. • Martin also served as a member of the board of managers of the
Army Emergency Relief fund, an independent nonprofit dedicated to addressing financial hardships among soldiers. Martin's successor as DCG of TRADOC was announced February 25, 2021, when Major General
Maria Gervais was promoted to the rank of lieutenant general and confirmed by the Senate. Martin's successor as Commanding General of the
United States Army Combined Arms Center and
Fort Leavenworth was announced 26 May 2022, when Major General
Milford Beagle Jr. was promoted to the rank of lieutenant general and confirmed by the Senate. The change of command occurred in October 2022.
Social media Martin is known for maintaining an active presence on the social media site
Twitter, noted for his approachability despite his senior rank and the military's ingrained conservatism. He often solicits public input from his followers on issues pertaining to Army policy and concerns of servicemembers, and argued to
Newsweek that his "risky" humor helps correct misperceptions and humanize the relationship and understanding between superiors and subordinate. ==Awards and decorations==