Dr. Yoshira Ornelas Van Horne is an Assistant Professor in the Department of Environmental Health Sciences at the Columbia University Mailman School of Public Health. Yoshira is the first Latina to receive a Ph.D. in Environmental Health Sciences from the University of Arizona. Yoshira is an alumna of the Agents of Change in Environmental Justice Fellowship. Her research focuses on addressing unequal exposures to harmful contaminants that affect structurally marginalized communities. Dr. Ornelas Van Horne is committed to building health equity through community-driven research and is passionate about research translation and communication.