Lilian Jimenez grew up on the South Side of Chicago as a child of immigrant parents. As an undergraduate student, she was involved in anti-war and anti-colonial movements and organized around issues of social and economic justice. Before law school, she worked as a labor and community organizer and a legal worker.

Lilian has been active with the Guild since her first semester of law school, serving as president of the DePaul law school chapter. She is currently an officer for the Chicago Guild and she is working to build TUPOCC in Chicago.