Selvaratnam is a co-founder of The Federation, a coalition of artists, organizations, and allies committed to promoting art as a tool of intercultural communication and tolerance.

[7] Selvaratnam is the Senior Advisor,[8][better source needed] Gender Justice Narratives, for the Pop Culture Collaborative.

She is the author of two books: The Big Lie: Motherhood, Feminism, and the Reality of the Biological Clock (2014) and Assume Nothing: A Story of Intimate Violence (2020).

[9][10] Amazon Studios plans to create a limited series based on Assume Nothing, with Mimi Won Techentin serving as show runner.

[15] In 2020, Selvaratnam was a volunteer for the Biden-Harris Policy Committee and also served as Content Chair[16] of Arts for the campaign.