John Roy Steelman was the first person to serve as "The Assistant to the President of the United States", in the administration of President Harry S. Truman from 1946 to 1953. The office later became the White House Chief of Staff.
Portrait of John R. Steelman as Director, United States Conciliation Service, Department of Labor.
Steelman, Director of the U.S. Conciliation Service, and Labor Secretary Francis Perkins leave the White House after a meeting with President Franklin D. Roosevelt (1939)
Steelman (left) in 1950 on board Harry Truman's yacht.
White House Chief of Staff
The White House chief of staff is the head of the Executive Office of the President of the United States, a cabinet position in the federal government of the United States.
White House Chief of Staff
President Joe Biden walks with Chief of Staff Ron Klain along the Colonnade of the White House.
Chief of Staff Jack Watson (1980–1981) meets with President Jimmy Carter in the Oval Office.
President George H. W. Bush sits at his desk in the Oval Office Study as Chief of Staff John Sununu stands nearby.