Breene Harimoto was elected in 2014 to represent the 16th Senatorial District (Pearl City, Aiea, Lower Halawa, Pearl Harbor), and re-elected in 2018. He was the past Chair and Vice Chair of the Housing Committee. Currently, he serves as the Vice Chair of the Transportation Committee, and is a member of the Committees on Public Safety, Intergovernmental, and Military Affairs, and Ways and Means. He is the Senate's representative on the Oahu Metropolitan Planning Organization Planning Board and is currently vice-chair. He is also the Senate's alternate representative on the Hawaii Interagency Council for Transit-Oriented Development and Hawaii Interagency Council on Homelessness.
Prior to his election to the Senate, he served on the Honolulu City Council (District 8 Aiea – Pearl City – Waipahu) for four years. He was chair of the Committee on Transportation where he championed rail, transit-oriented development, complete streets, smart growth, and health and safety issues.
Senator Harimoto was a member of the Board of Education for 8 years and served two terms as its chairman. He is a former information technology professional and is a long-time community volunteer. He is co-founder and serves as Executive Director of the Pearl City Foundation/Momilani Community Center.
Senator Harimoto is a life-long resident of his district. He and his wife are graduates of Waipahu High School and University of Hawaii at Manoa. They have three adult children and three grandchildren.