Stanford Bio-X Seed Grant: Erinn Rankin & Sarah Heilshorn Erinn Rankin - Assistant Professor of Obstetrics and Gynecology (Oncology) and of Radiation Oncology (Radiation Biology) Sarah Heilshorn - Director of the Geballe Laboratory for Advanced Materials (GLAM) and Professor of Materials Science & Engineering and (by courtesy) of Bioengineering and of Chemical Engineering