Prior to joining University of Hawaiʻi at Mānoa’s College of Natural Sciences, Llewelyn worked as senior operations project manager for Kamehameha Schools for 9 years. While there, she directed the ʻāina-based education programmatic and business operations, which was dedicated to linking land management and education to incorporate resource stewardship to Hawai‘i’s learners of all ages. Her previous professional experience also includes leading and directing the day-to-day direct marketing operations for organizations, such as American Savings Bank. Llewelyn received her degree in historical and political studies from Chaminade University in Honolulu.