Gracie Hornsby, from Franklin, North Carolina, is pursuing a PhD in environmental engineering at Stanford School of Engineering. She graduated from North Carolina State University with a bachelor’s degree in civil engineering. Gracie aims to work with water, sanitation, and hygiene issues in low- and middle-income countries with the goal of achieving universal, equitable access to safely managed water and sanitation services. She has worked with Engineers Without Borders in Guatemala, the Circle of Women for Social Action and Mutual Aid in Cameroon, and done undergraduate research on the use of molecular microbial source tracking to identify source-specific contamination in drinking water. She was selected as the NC State College of Engineering Faculty Senior Scholar, received a departmental award for citizenship and service, and received the Distinguished Goodnight Award for the Goodnight Scholars Program’s Class of 2020.