Garret Graves also served as a legislative aide to the U.S. House Committee on Energy and Commerce and was chairman. He served as an aide for the United States Senate Committee on Commerce, Science, and Transportation in 2005 under U.S. Senator David Vitter. Graces served as director for the United States Senate’s Subcommittee on Climate Change and Impacts and worked for U.S. Senator John Breaux. He was also a chief legislative aide to the U.S. Senate Committee on Environment and Public Works.