She served as State Secretary in the Ministry of Local Government and Regional Development from February 2011 to October 2013.

[3] In her role, Tvinnereim has prioritised fighting hunger and improving food self-sufficiency in developing countries as a top priority.

While implementing the strategy, Norway has under Tvinnereim's leadership also joined the Alliance of Champions for Food Systems Transformation, hosted by CGIAR, as co-chair together with Brazil and Sierra Leone.

[citation needed] In 2023, Norway launched its new action plan for international efforts to support women's rights and gender equality.

This appointment shows that we have the expertise it requires to continue the Norwegian commitment in global health and make a difference".

[4] Tvinnereim and the government announced an increased priority for food safety and smaller farmers in the south in the development budget.

Norway contributes with 50 million NOK to school food programs in three countries, and to strengthen WFP's cooperation with the African Union on this important work".

She also said believed "it is a wrong use of development assistance funds to allocate half a billion kroner over ten years to manage a center in Oslo".

[10] On 24 June, Tvinnereim attended the international Uniting for Global Food Security conference in Berlin, Germany.

Dagbladet later revealed that Tvinnereim was working to find other means of money then the state budget for international aid.

[13] According to Dagbladet, Tvinnereim was said to have become furious and tearful when it was revealed that the government was planning to remove billions of NOK from international aid in the 2023 state budget.

[21] In February, she met with former Sudanese prime minister Abdalla Hamdok during an African Union summit in Adis Abeba, Ethiopia.

[22] In early March, Tvinnereim announced that the government would be moving the department responsible for evaluating international aid from Oslo to Førde.

[24] She visited Guatemala in June and met with President Bernardo Arévalo and organisations specialising in environmental issues, human rights and improved living standards for native populations.

[25] Tvinnereim and foreign minister Espen Barth Eide announced in September that the government would be allocating 280 billion NOK to assist Palestine.

[26] Following the conclusion of negotiations for a plastic pollution treaty in Busan, South Korea in early December, Tvinnereim expressed disappointment over the fact that an agreement wasn't reached.

She also described the negotiations as challenging, but also asserted that Norway would aim for an agreement to be made and continue to work with countries who share this objective.