Katrina lives in Queanbeyan. She is involved with numerous community groups including the Queanbeyan and District Historical Museum Society, the Queanbeyan Conservation Alliance, the Queanbeyan Bicycle Users Group, Queanbeyan Landcare, the Queanbeyan Sustainability Group and the Railway Park Organic Community Garden. She is also a shareholder in the Jerrabomberra Community Bank.

Katrina has worked in the area of environmental and sustainability issues over several decades, as a journalist, a member of the Australian Public Service and as an adviser to three Greens Senators. She joined the Greens in 2000 and stood for election to Queanbeyan City Council in 2008 and 2012.

Katrina has educational qualifications in Arts (Communication), Latin American Studies and International Law. She currently works at the Murray-Darling Basin Authority implementing the Basin Plan. Katrina is an advocate for sustainable transport, and regularly uses active and public transport.