Alex Aravanis is the Head of Research & Development at GRAIL. Prior to GRAIL, Alex developed multiple products at Illumina, including clinical assays for the analysis of RNA and DNA from fixed tissues, whole exome analysis, massively parallel single cell transcriptomics, and liquid biopsy using cell-free nucleic acids. Previously at Sapphire, Alex led development as its Chief Science Officer. Alex received his MD and PhD in Electrical Engineering from Stanford University.