He was also responsible for staffing and planning White House social functions until early March 1971 .
Under direction of Chapin , Sloan supervised the mail operation in the appointments office , which included handling all invitations to the president .
Sloan was also responsible for staffing and planning White House social functions until early March 1971 .
Under direction of Chapin , Sloan supervised the mail operation in the appointments office , which included handling all invitations to the president .