She was a founding member of the women's liberation organization Redstockings and helped to write the group's manifesto.
[2] According to Kathie Sarachild, Coleman's interest in feminism stemmed from reading Simone de Beauvoir's The Second Sex.
[2] In November 1968, she attended the national Women's Liberation Conference in Lake Villa, Illinois and conducted a workshop on 'Alternatives to Marriage'.
[1] Coleman was a co-founder of the literary magazine Feelings: A Journal of Women's Liberation and served as its editor.
[2] At a memorial for Simone de Beauvoir in New York in 1986, Coleman was among the women who spoke and gave testimonies.