She represented the electoral district of Kootenay West as a member of the British Columbia New Democratic Party (BC NDP).

[5] The family settled in the West Kootenay in 1962, with Katrine graduating from Castlegar's Stanley Humphries Secondary School in 1975, before finding work as a power engineer at the local pulp mill.

[5][6] She completed the early childhood education program at Selkirk College, then worked at local daycares before eventually becoming executive director of the Kootenay Columbia Childcare Society.

[5][7] She was married to Ed Conroy, a former Member of the Legislative Assembly (MLA) for the district of Rossland-Trail, from March 1981 until his death on June 26, 2020, at the age of 73.

[12][13] With the NDP coming to power as a minority government following the 2017 election, Conroy was appointed Minister of Children and Family Development under Premier John Horgan.