Hailing from Oppegård, she graduated from the University of Oslo with a bachelor's degree in European studies in 2014 and a master's degree in political science. She was active in JEF Norway and the Young Christian Democrats, leading the latter's Akershus branch from 2011 to 2012. In 2012 she became a central board member of the Young Christian Democrats, advancing to deputy leader in 2013 and leader from 2015 to 2017.[1]
Røse was a trainee in NHO Service in 2012 and the Christian Democratic Party in 2013, before being hired as an adviser on education and asylum rights in the Christian Democratic Party in 2014. After her stint as Young Christian Democrats leader, she temporarily left national politics to work as an adviser in Abelia from 2017 and First House from 2019.[1]
Røse was elected to Vikencounty council in 2019, leading the Christian Democratic Party caucus.[1] Following the 2023 Norwegian local elections, the Christian Democratic Party managed to form a county cabinet together with its coalition partners, led by Anette Solli. The county cabinet would preside over Akershus County Municipality, following the dissolution of Viken on 1 January 2024. Røse was selected as county commissioner of enterprise, public health, sports and diversity.[2]
