Diego Bernal holds a robust educational background, having graduated from the University of Michigan with degrees in social work, law, and a master's in social work. He began his career as a social worker in Detroit, focusing on helping young gang members reintegrate into society. Bernal's experience includes civil rights advocacy with the NAACP Legal Defense Fund and MALDEF, where he litigated for equitable funding, fought discrimination, and safeguarded electoral integrity. He has held positions on the San Antonio City Council and the Texas House of Representatives, where he has championed policies on payday loan regulation, equitable school funding, and non-discrimination ordinances.

Diego Bernal combines a background in social work and civil rights advocacy with a legislative focus on economic justice and public safety. His policy stances, such as the strictest payday loan regulation in Texas and a bill prohibiting guns in mental health facilities, reflect a commitment to protecting vulnerable communities. Bernal's approach to civil rights, marked by the Non-Discrimination Ordinance and anti-discrimination advocacy, showcases a highly localized strategy. His unique blend of legislative initiatives and personal artistic endeavors hints at an ideologically agile approach, balancing regional concerns with broader social justice goals.