Sophie Handford is a Labour-affiliated councillor on the Kāpiti Coast District Council, representing the Paekākāriki–Raumati ward [30][44].
According to a single reputable secondary source, Handford attended Paekākāriki School and Kāpiti College, where she is reported to have served as Head Girl and as a student representative on the Board of Trustees [25][24][32][21]. She later enrolled at Victoria University of Wellington from February 2022, according to the same source [26].
Handford is a confirmed activist [3] and is affiliated with the Labour Party [44]. According to a single reputable secondary source, she began campaign organising for Labour — leafletting for Kris Faafoi — as early as 2014 [14], and is reported to have reignited Mana Young Labour in 2017 [17]. She is also reported to have held a Mana Youth MP role from 2019 [36].
According to a single reputable secondary source, Handford founded and served as national coordinator of School Strike 4 Climate NZ from 2018 [6], and continued in a coordinator role from 2019 [5]. She has also been described as a national youth leader in the climate change action space [8] and as a speaker [9].
Handford has been a confirmed councillor for the Kāpiti Coast District Council [30], with single-source reports placing her election to the Paekākāriki–Raumati ward from 2019 [37][33]. According to a single reputable secondary source, she has held the roles of Chair of the Strategy, Operations and Finance Committee [28] and Deputy Chair of the Climate and Environment Subcommittee at the council [31], and is reported to hold the Climate and Youth portfolios [11]. She is also reported to have stood as the Labour candidate for the Kāpiti electorate [35].
According to a single reputable secondary source, Handford has participated in a range of civic and international programmes, including the Ship for World Youth programme from 2020 [20] and APEC Voices of the Future [18]. She is reported to have held a leadership role with the United Nations' Girl Up movement [16] and to have volunteered with Youth Wellington [22]. A Prime Minister's Scholarship for Asia was awarded to her in 2023, according to a single reputable secondary source [41]. She has also been reported to have received the Impact Awards Climate category prize in 2019 [42] and the Wellingtonian of the Year award in 2019 [43].