Karen Knudsen, CEO of the Parker Institute for Cancer Immunotherapy and a 2024 CNBC Changemaker, speaks with CNBC's Julia Boorstin about her professional journey from becoming the first female CEO of the American Cancer Society to leading the charge in turning all cancers into curable diseases. She discusses how the Parker Institute's unique model combines philanthropy with venture capital to accelerate breakthrough therapies and address critical funding gaps in cancer research.