Mischa Haider is a transgender activist and mother. She is an applied physicist at Harvard University who studies applications of mathematical and physical models to social networks. Prior to her work in social networks, she did research on femtosecond lasers and NMR studies of protein structure. Before coming to Harvard, she was involved in research on high temperature superconductivity at Imperial College. She has written for the Advocate and Tikkun, and her research has been published in Applied Physics Letters. She also is a member of the Board of Trustees at Lambda Literary.