She joined Advancing Justice-LA in September 2015 as an Equal Justice Works-Emerson Fellow to establish school-based immigration services for young people and their families in South Central Los Angeles. As a fellow, Martha organized and ran legal clinics and information sessions to help non-citizens learn about immigration law and law enforcement, and to give free community immigration cLinics. Since late 2017 she transitioned to the role of staff attorney and provides removal defense services throughout Los Angeles County and at immigration detention centers.