Sandstone Diagnostics is a Integrated wellness technology that empowers consumers to measure, monitor, and improve their health at home. Founded by Greg Sommer, Sara Naab, and Ulrich Schaff in 2012, Sandstone Diagnostics is backed by investors that include LabCorp, LaunchCapital, Portfolia, StartUp Health, and StartX (Stanford-StartX Fund) and is headquartered in Livermore.