Dr. Ashley Birch is an ABMGG board-certified molecular geneticist with 10 years of experience in clinical diagnostic and carrier screen testing. Dr. Birch is currently a director of Variant Science at GeneDx, where she leads a team of 60 Variant Scientists in the interpretation of sequence and copy-number variants identified in exome, panel, and array genetic tests.' Previously, Dr. Birch was a laboratory director at Sema4, where she helped develop and scale expanded carrier screening tests. She was also appointed at the Icahn School of Medicine at Mount Sinai, where she has lectured on variant interpretation and participated in molecular genetics training of laboratory fellows for 8 years.