Kenneth Preston

Kenneth Preston

Kenneth O. Preston (born February 18, 1957) is a former Sergeant Major of the Army in the United States. He was sworn in as the 13th Sergeant Major of the Army on January 15, 2004. SMA Preston held a variety of leadership positions throughout his career ranging from Cavalry Scout to Sergeant Major and Command Sergeant Major. He is the longest serving Sergeant Major of the Army. SMA Preston retired from the Army on March 1, 2011 after nearly 36 years of service.