Dan Rosewarne is a New Zealand Labour Party list Member of Parliament [27][28], who entered Parliament in 2022 [19].
Before entering politics, Rosewarne served in the New Zealand Defence Force [8], having begun his military career as a mechanic in the New Zealand Army [5]. According to a single reputable secondary source, he also served as a soldier with deployments to Afghanistan and the Solomon Islands [11]. He is also reported to have held officer rank within the New Zealand Defence Force [4][6], though these details are drawn from single secondary sources.
Rosewarne studied at Victoria University of Wellington [14] and attended the New Zealand Defence Force Advanced Command and Staff College [13]. According to a single reputable secondary source, he holds a Master of Strategic Studies [1].
He stood as the Labour candidate for the Waimakariri electorate in 2020 [16] and again in 2023 [15], and according to a single reputable secondary source, is a candidate for Waimakariri in 2026 [23]. He has been a member of the Labour Party throughout his parliamentary career [27][28].
Rosewarne has served as a confirmed Member of Parliament since 2022 [19]. According to a single reputable secondary source, he was sworn in as a list MP on 24 March 2026 following the resignation of Hon Peeni Henare [25].