Joseph Keith Kellogg Jr. (born May 12, 1944), known as Keith Kellogg, is a retired Lieutenant General in the United States Army who is currently serving as the Chief of Staff of the United States National Security Council in the Trump administration. Notably, he served as National Security Advisor on an acting basis following the resignation of Michael T. Flynn.
President Donald Trump put Kellogg in charge of the presidential transition agency action team for defense. He was named a foreign policy advisor to then-presidential candidate Trump in March 2016.
Kellogg was born in Dayton, Ohio, the son of Helen (Costello) and Joseph Keith Kellogg. In 1961, he received his diploma from Long Beach Polytechnic High School. Kellogg was commissioned into the Army through Army Reserve Officers Training Corps (AROTC) at Santa Clara University and subsequently entered the Infantry branch.
During the Vietnam War he served in the 101st Airborne Division and, after qualifying as a U.S. Army Special Forces officer, as a special forces adviser to the Cambodian Army.
In 1996 he took command of the 82nd Airborne Division. Later rising to the rank of Lieutenant General, from 2003 to 2004 he held a leading position in the Coalition Provisional Authority. Kellogg served as chief operating officer for the Coalition Provisional Authority in Baghdad, the transition government of Iraq, after the 2003 U.S.-led invasion of that country. Following Kellogg's retirement from active duty, he joined Oracle Corporation as an adviser to its homeland security division. He was recently employed by Cubic Corporation and earlier by CACI International Inc., since January 2005.