The White House Chief of Staff is the highest ranking employee of the White House Office inside the Executive Office of the President of the United States and is an Assistant to the President.
White House Chiefs
- D.C. Mason - White House Chief of Staff under the administration of Benjamin Asher. He was succeeded by Sam Wilcox when the Presidency of Allan Trumbull began.
- Sam Wilcox † - Former White House Chief of Staff under the administration of President Allan Trumbull until his death in 2019. Wilcox was shot dead by Wade Jennings in the shootout at St. Matthew's Hospital.