Happy holidays! Please be advised that in-transit patient samples will be held by the carrier on Dec. 25 and received by our lab the next day. Kit orders placed on Dec. 25 will be sent on Dec. 26. Our genetic counseling services, client services, and billing services will be unavailable Dec. 24-25; please leave us a message at 888-729-1206 or support@genedx.com and we will respond when we return.
Head of Medical Affairs
As the Head of Medical Affairs, Britt Johnson is responsible for the research collaborations and publications, regulatory affairs, medical communications, patient advocacy, and medical science liaison teams at GeneDx.
She is a board certified clinical molecular geneticist and clinical biochemical geneticist with more than 12 years of experience in medical affairs and clinical genomics.
Britt’s career has been driven by the idea that genomic information is a vital part of healthcare decision making for patients with rare disease—not only giving families a diagnosis, but also helping inform clinical management and improving patient outcomes. Britt is dedicated to helping expand access to genetic testing so that all patients with rare diseases can have access to this critical information early in their healthcare journey.
Prior to joining GeneDx, Britt held various roles at Invitae Corporation, including designing the company’s inherited metabolic disorders and immunology testing menus and leading the clinical genomics reporting teams for these areas. She also helped launch many of Invitae’s sponsored testing programs with biopharma partners and provided medical support for platform technology initiatives related to variant detection and variant classification innovations, including machine learning predictive models, multiplex assays of variant effects (MAVEs), RNAseq, and specialized bioinformatic approaches. In her wide-ranging roles, Britt also led both the U.S. Medical Affairs team of roughly 40 individuals and the medical team that supported medical communications and medical education. Prior to Invitae, Britt served as the technical director at the University of Miami Clinical Biochemical Genetics Diagnostic Laboratory, one of three confirmatory centers for babies that failed newborn screening in the state of Florida, where she was involved in all aspects of the laboratory and was instrumental in building a sponsored testing program for patients with lysosomal storage diseases who resided in Latin America.
Britt completed her BS in Genetics at the University of Georgia and her PhD in Genetics at the University of Wisconsin-Madison in 2008. She completed her Clinical Molecular Genetics Fellowship at the University of California San Francisco in 2011 and her Clinical Biochemical Genetics fellowship at the University of Miami in 2012.
