Dr. Beresford is Vice President of Business Development and Strategic Marketing. His expertise includes leading groups that provide products and services to oncology-focused pharmaceutical and biotechnology companies for identifying and commercializing companion diagnostics. Prior to joining Biodesix, Dr. Beresford held a number of senior management positions at Ventana Medical Systems and Roche Diagnostics (after the acquisition of Ventana by Roche in early 2008) including Vice President, General Manager of Translational Diagnostics. He received a Ph.D. in Immunology from the Sackler School of Graduate Biomedical Sciences at Tufts University School of Medicine and was an Instructor and Junior Investigator at the Center for Blood Research at Harvard Medical School.