Sharmeen Soneya Murshid is a member of the advisory council of the Bangladesh interim government.

[7] Her brother is Khan Ahmed Sayeed Murshid, former director general of the Bangladesh Institute of Development Studies.

[7][8] Her elder sister is Tazeen Mahnaz Murshid, senior lecturer of King's College London.

[7][9] Her another brother Kumar Murshid is a leftist politician in the United Kingdom who was formerly Labour Party.

[16] Other signatories included Farida Akther, Hameeda Hossain, Khushi Kabir, Maleka Begum, Rasheda K. Chowdhury, Rokia Afzal Rahman, Sara Hossain, Sultana Kamal, and Syeda Rizwana Hasan.

[21] In October 2021, she signed a statement panning a culture of impunity when it comes to attacks on religious minorities in Bangladesh.