Sawyer Letourneau

Sawyer Letourneau is a Senior Process Engineer I at Ultragenyx, focusing on AAV Drug Substance Manufacturing as part of the Manufacturing Sciences and Technology team since June 2025. Previously, Letourneau managed the Process and Analytical Development team at Vor Bio, leading critical development activities for gene editing reagents and serving as a Senior Process Engineer for pre-clinical Antibody Drug Conjugate assets and CRISPR/Cas9 engineered hematopoietic stem cells. Letourneau's experience also includes roles at TCR² Therapeutics Inc. and Regeneron, primarily as a Process Engineer within the MSAT domain for various clinical production stages. Educational qualifications include dual Bachelor of Science degrees in Chemical Engineering and Molecular Biology from the University of Wyoming, obtained in 2018.