Britt Johnson

Biography
Britt oversees research collaborations, clinical data analysis, science writing, publications, and research strategy at GeneDx— all in service of expanding access to genomic testing, reducing the diagnostic odyssey for patients with rare disease, and improving their clinical outcomes. Her career has been shaped by the conviction that genomic information is essential to healthcare decision-making — not only delivering diagnoses but meaningfully guiding clinical management. Prior to GeneDx, she held broad leadership roles at Invitae Corporation, including directing U.S. Medical Affairs, leading clinical genomics reporting teams, designing inherited metabolic and immunology testing menus, and supporting platform innovations spanning machine learning, MAVEs, and RNAseq. Earlier, she served as Technical Director of the Clinical Biochemical Genetics Diagnostic Laboratory at the University of Miami, a confirmatory newborn screening center for Florida, where she also built a sponsored testing program for patients with lysosomal storage diseases in Latin America.