Christopher C. Miller Bio
Christopher Charles Miller (born October 15, 1965) is an American military officer, government official, defense contractor, and author. A retired Army Special Forces colonel, he served as Director of the National Counterterrorism Center in 2020 and as acting United States Secretary of Defense from November 9, 2020, to January 20, 2021. Miller is the author of the 2023 memoir Soldier Secretary.
Over a career that began in 1983, Miller served as a Green Beret commanding units of the 5th Special Forces Group in Afghanistan and Iraq before retiring from the military in 2014. After several years in the defense industry and civil service, he held senior civilian positions at the Department of Defense and the National Security Council during the Trump administration.
Early Life and Background
Christopher Charles Miller was born on October 15, 1965, in Platteville, Wisconsin, and raised in Iowa City from 1975. His mother, Lois Maxine Miller, taught at the University of Delaware, and his father, Harvey Dell Miller, served as police chief of Iowa City for 13 years. Miller later recalled that his father believed strongly in the nobility of public service, a value that shaped his own career.
Miller attended Iowa City High School before going on to study history at George Washington University, where he earned a Bachelor of Arts degree in 1987. He received the Gardiner G. Hubbard Memorial Award in U.S. History for achieving the highest grade point average in the department. He later earned a Master of Arts in national security studies from the Naval War College in 2001 and also graduated from the College of Naval Command and Staff and the Army War College.
Path to US Politics
Although he is best known for civilian government service, Miller’s path to senior national security roles ran through the United States Army. He began his military career in 1983 as an enlisted infantryman in the Army Reserve, then commissioned as a second lieutenant in 1987 through Reserve Officers’ Training Corps (ROTC). He joined Special Forces in 1993 and went on to command units of the 5th Special Forces Group in Afghanistan and Iraq.
Following his retirement from the Army in 2014, Miller transitioned to civilian government work, first as a defense contractor and later as an inspector for the assistant to the secretary of defense for intelligence oversight. In March 2018, he was detailed to the National Security Council as a counterterrorism adviser involved in operations against the Islamic State (ISIL), laying the groundwork for his nomination to lead the National Counterterrorism Center in 2020.
Christopher C. Miller Career
Early Career (1983–2009)
Miller’s early military career included service as a major and company commander in the 5th Special Forces Group during the invasion of Afghanistan, where he took part in the quick reaction force (QRF) after ODA 574 was hit by a Joint Direct Attack Munition (JDAM) in a friendly fire incident. He was deployed several times to Afghanistan and Iraq over the following years, commanding Special Forces units in Iraq in 2006 and 2007.
His promotion to colonel was approved in December 2009. Earlier in his career, he had also served in staff positions connected to special operations, building a record of operational experience that later supported his transition into senior policy roles.
Breakthrough (2010–2019)
In 2010, Miller served as program executive officer (PEO) for rotary wing programs at U.S. Special Operations Command, overseeing the development and procurement of special operations aviation assets. The following year, his final assignment as an Army officer was as Director for Special Operations and Irregular Warfare in the Office of the Assistant Secretary of Defense for Special Operations/Low-Intensity Conflict and Interdependent Capabilities at the Pentagon.
After retiring from the military in 2014, Miller worked as a defense contractor before joining the civil service in late 2017 as an inspector for the assistant to the secretary of defense for intelligence oversight. In March 2018, he was detailed to the National Security Council as a counterterrorism adviser, contributing to operations against ISIL until March 2019.
Trump Administration Era (2020–2021)
President Donald Trump nominated Miller to be Director of the National Counterterrorism Center in March 2020. He was confirmed by a Senate voice vote on August 6, 2020, and began his duties on August 10, 2020. Earlier in 2020, he had also been appointed deputy assistant secretary of defense (DASD) for special operations and combating terrorism (SOCT), where he was involved in designating Iran, Hezbollah, and American domestic terrorism as threats to the United States.
On November 9, 2020, Miller was appointed acting Secretary of Defense after the termination of Mark Esper, six days after the 2020 presidential election. His tenure drew both attention and criticism. He ordered drawdowns of U.S. forces in Afghanistan, Iraq, and Somalia against the advice of some U.S. military commanders, and on December 18, 2020, he postponed transition meetings with the incoming Biden administration until January 1, 2021, a decision disputed by the Biden transition team. Upon the inauguration of Joe Biden on January 20, 2021, Miller was succeeded by then-Deputy Secretary of Defense David Norquist.
Notable Events and Milestones
Miller’s tenure is most closely associated with the events of January 6, 2021, when supporters of President Trump stormed the U.S. Capitol. He approved the deployment of National Guard troops from neighboring states more than three hours after Capitol Police reported being overrun, a delay he attributed to a desire to avoid a repeat of the Kent State shootings. Miller later testified before the United States House Select Committee on the January 6 Attack that he did not speak with President Trump during the attack, saying: “I didn’t need to. I had all the authority I needed and I knew what had to happen.” He later acknowledged that an organized conspiracy with assault elements had been set in motion before Trump spoke on January 6.
Christopher C. Miller Career Wins
Miller’s career achievements span three decades of military service, senior civilian leadership, and authorship. His distinguished record includes command at multiple levels within the 5th Special Forces Group, senior Pentagon staff positions, and two of the most prominent national security appointments of the late Trump administration.
Military Honors and Service Highlights
Miller received the Gardiner G. Hubbard Memorial Award in U.S. History during his undergraduate studies at George Washington University for the highest grade point average in the history department. Over the course of his Army career, he was promoted to colonel in December 2009 and was selected to serve as Director for Special Operations and Irregular Warfare at the Pentagon in 2011, one of his final assignments before retirement.
Other Wins & Achievements
In addition to his military honors, Miller earned a Master of Arts in national security studies from the Naval War College in 2001 and completed senior-level coursework at the College of Naval Command and Staff and the Army War College. His memoir Soldier Secretary: Warnings from the Battlefield & the Pentagon About America’s Most Dangerous Enemies was published in February 2023, and in 2023 he authored the chapter on the Department of Defense for the ninth edition of the Heritage Foundation’s Mandate for Leadership, the policy agenda associated with Project 2025.
Christopher C. Miller Family
Family Background and Public Service Lineage
Miller was raised in Iowa City by his mother, Lois Maxine Miller, a university instructor, and his father, Harvey Dell Miller, who served as police chief of Iowa City for 13 years. Harvey Dell Miller had also worked as an assistant professor of law and government at the University of North Carolina at Chapel Hill. Christopher Miller has said that his father strongly believed in the nobility of public service, a conviction that influenced his own path into government.
Personal Life
Miller married Kathryn Maag Miller on September 16, 1989. She works as an office manager for a health and environment lobbying group. The couple has three children.