The Expanding Your Horizons (EYH) Conference is a unique event in San Diego, as it provides girls with a day of science discovery in laboratories on a college campus through workshops conducted by professionals from industry, government organizations and academia. The conference format is designed to provide social, fun and engaging experiences with a variety of STEM topics. It includes participation in three hands-on, career focused workshops that are presented by local STEM professionals. Each group of 15-20 participants is mentored by 2-3 female STEM undergraduate students, providing role models that research indicates is vital to inspiring to 6-10th grade females. These elements are designed to increase the girls’ interest in STEM careers by providing exciting STEM experiences and interactions.