Management Team

Combining oncology drug development and biomarker technology experience to improve cancer care

Katherine Ruffner, M.D.

Chief Medical Officer

Dr. Ruffner has served as Chief Medical Officer since 2021. Dr. Ruffner is a US-trained hematologist/oncologist and brings extensive experience in oncology clinical development and clinical care, from early clinical phase through post-commercialization, both at major pharma companies and focused biotech companies. Most recently, Dr. Ruffner served as vice president, clinical development for ALX Oncology, where she led strategy and execution of their initial clinical asset across a number of different malignancies, both solid tumor and hematologic, and achieved rapid clinical growth from a single trial open in two countries to a program with six global trials across five different cancer indications. Prior to joining ALX, she was a consulting global clinical lead for Lumoxiti at Acerta/Astra Zeneca, and from April 2008 to February 2019, held multiple clinical development positions within the oncology field, most recently as vice president, clinical development for CTI Biopharma, where she oversaw design of Phase 3 confirmatory protocol for pacritinib in myelofibrosis. Previously, Dr. Ruffner served as senior director, clinical development/medical affairs for Seattle Genetics, and before that, as clinical lead for the immuno-oncology agent pidilizumab in hematologic malignancies at Medivation. Earlier in her career, Dr. Ruffner worked in oncology clinical development at Pfizer, Biogen, and Amgen in addition to providing clinical care of patients undergoing treatment for hematologic malignancies.

Dr. Ruffner earned a BS in Biology from Duke University and an MD from the University of Tennessee. She went on to complete her internal medicine residency at the University of Michigan and her oncology fellowship at the University of Washington/Fred Hutchinson Cancer Research Center. Prior to joining industry, she was an Assistant Professor at Vanderbilt University from 2002-2007 on the Hematopoietic Stem Cell faculty.