Speaker Profile
Ph.D., VP, Science Policy, Friends of Cancer Research
Biography
Mark Stewart works at Friends of Cancer Research, a Washington, DCbased organization that brings together partners across healthcare to drive advances in science, policy, and regulation that accelerate the development of cancer therapies and diagnostics. At Friends, he leads collaborative projects that create frameworks for incorporating novel clinical trial endpoints, advancing ctDNA and liquid biopsy applications, integrating real-world evidence, and applying innovative designs to make trials more efficient and representative. His work also explores emerging technologies such as AI-based tools to enhance oncology drug development, clinical trial design, and data interpretation. Through multi-stakeholder partnerships with regulators, academia, industry, and patient groups, he helps develop consensus-driven solutions that overcome barriers in drug development. These efforts have informed national policy discussions, contributed to regulatory innovation, and translated promising innovations into meaningful progress for people with cancer.
Session Abstract – PMWC 2026 Silicon Valley
Track Chair: Adrian Lee, University of Pittsburgh
PMWC Award Ceremony Honorees
• Dennis J. Slamon, UCLA
Neoadjuvant to Adjuvant MRD: How Early Is Early Enough?
• Chair: Angela DeMichele, UPenn
• Halla Nimeiri, Tempus
• Aparna Parikh, Harvard
• Minetta Liu, Natera
Serial ctDNA-Guided Therapy Switching (SERENA-6 & Beyond)
• Chair: Pedram Razavi, MSK
Multi-Omics Monitoring Beyond Variants: Methylation, Fragmentomics, EV/ctRNA
• David T. Miyamoto, Massachusetts General Hospital
• Maximilian Diehn, Stanford
From Validation to Payment: Coverage Pathways That Work
• Mark Stewart, Friends of Cancer Research
From Validation to Payment: Coverage Pathways That Work
• Mark Stewart, Friends of Cancer Research
• Hilary Gee Goeckner, American Cancer Society (ACS)
• Sally Werner, Cancer Support Community
• Gabriel A. Bien-Willner, Palmetto GBA
