Minister Buttimer was elected as a member of Dáil Éireann in November 2024. He is a member of the Fine Gael Party and a T.D. for the Cork South-Central constituency since the 2024 general election, and previously from 2011 to 2016. In December 2022 he was appointed as the Cathaoirleach of Seanad Éireann. He also served as Leader of the 25th Seanad. Minister Buttimer was also previously appointed as Chairperson of the Oireachtas Joint Committee on Health and Children in July 2011. Prior to his election to Dáil Éireann, the Minister served as a Senator, having been elected in July 2007, and was a member of Cork City Council from 2004 to 2007. Minister Buttimer is also the founder of Fine Gael LGBT and Party spokesperson on Transport. Outside of representative politics Minister Buttimer is actively involved in his local community and the GAA. He served on the GAA National Marketing Committee, as well as holding the position of Chairman of his local Bishopstown GAA Club. In his professional career he is a qualified Teacher and Director of Adult Education.