[4] In July 2017, Lee was appointed Parliamentary Private Secretary to Shadow Chancellor John McDonnell.

[22] In her maiden speech, Lee reiterated her support for The University of Lincoln in its efforts to secure funding for a Medical School.

[23] In July 2017 Lee was appointed Parliamentary Private Secretary to Shadow Chancellor John McDonnell.

[27] Lee also criticised the government for failing to urgently rehouse those affected by the Grenfell tower fire.

Lee has several articles relating to her role as Shadow Fire Minister in HuffPost,[26] the Morning Star[25] and LabourList.

[33] Lee has also advocated for a more re-distributive taxation system[34] and accused the government of forcing people in Lincoln into poverty through ‘unjust’ welfare policies and the ‘chaotic’ roll-out of Universal Credit.

[35] Lee is considered to be on the left wing of the Labour Party's political spectrum and was a member of the Socialist Campaign Group of MPs.

[11] Lee held elected positions on several All Party Parliamentary Groups, such as the APPG on Breast Cancer.