 Other members of the committee include the White House Office of the Curator, Secretary of the Smithsonian Institution, chairman of the United States Commission of Fine Arts, and director of the National Gallery of Art, with whom the chief usher works closely.Once a month, the chief usher hosts a meeting with the National Park Service (which owns the main White House building and its grounds), the General Services Administration (which owns the East Wing, West Wing, and ancillary buildings scattered in the South Lawn; the Eisenhower Executive Office Building; the New Executive Office Building; the Blair House; and various other government-owned townhouses and structures on Jackson Place NW), the Secret Service, and the White House Military Office to review maintenance, repair, security, and other needs at the White House and plan for upkeep.The chief usher also works closely with the White House Historical Association, the government-chartered, private nonprofit organization which assists with the furnishing of and the acquisition of art for the White House.