Oxford BioDynamics Plc is a biotechnology company that develops and commercializes precision medicine tests for serious diseases, operating in the United States and the United Kingdom. Its proprietary EpiSwitch technology platform enables screening, evaluation, validation, and monitoring of 3D genomic biomarkers. Products include the EpiSwitch Prostate Screening Test (PSE), the EpiSwitch CiRT blood test for predicting therapeutic response to checkpoint inhibitor immunotherapy, the EpiSwitch Orion cloud platform running on Google Cloud architecture, and the EpiSwitch Explorer Array Kit platform for advanced analysis of 3D regulatory control points. The company was incorporated in 2007 and is headquartered in Oxford, the United Kingdom.