Sims was a founding member of the Women Against Violence Against Women or WAVAW Rape Crisis Centre in Vancouver. Sims participated in the BC Federation of Labour's Women's Rights Committee in the mid-1970s and helped write some of the early anti sexual harassment and affirmative action policies.
Sims was a key figure in establishing the Women Against Violence Against Women or WAVAW Rape Crisis Centre in Vancouver, and she also contributed to the BC Federation of Labour's Women's Rights Committee during the 1970s by helping develop anti-sexual harassment and affirmative action policies.