Alex attended school at Sacred Heart College. She obtained her Bachelor of Arts, Honours and Bachelor of Laws degrees from the University of the Witwatersrand, and then obtained a Master of Laws from Harvard University.
Alex completed her articles at Norton Rose Fulbright where she was retained as an Associate. She also clerked for Chief Justice Mogoeng Mogoeng at the Constitutional Court.
Alex joins ISASA from the South African Human Rights Commission where she was a Senior Legal Officer. In 2021, she also was nominated to be a Human Rights Commissioner.