Hoopes also was nominated to serve on the Committee for the Preservation of the White House by United States President Jimmy Carter from 1977 to 1980. Three years after that, Hoopes took the role of Director of the Thomas Cole National Historic Site, a post that he held until retirement in 1997.
Hoopes held various roles, including serving on the Committee for the Preservation of the White House under President Jimmy Carter from 1977 to 1980, and subsequently becoming the Director of the Thomas Cole National Historic Site, a position he occupied until his retirement in 1997.