Education
Harvard University.
Harvard University.
Costello received 3,696 votes to Buch"s 2,873. Costello served on the House Finance Committee and as chair of the Natural Resources Finance Subcommittee. She ran for the Senate seat vacated by Democrat Hollis French in 2014, picking up the seat to add to the Republican Senate majority.
Prior to being elected to the State House, Costello worked as a teacher, legislative aide, and as deputy communications director for governor Frank Murkowski.