RefleXion Medical is a privately-held pre-commercial company developing the first biology-guided radiotherapy (BgRT) machine that will drive a new paradigm in cancer care. RefleXion is backed by premier investment firms TPG Growth/The Rise Fund, Sofinnova Partners, KCK Group, Venrock, T. Rowe Price Associates, Inc., China-focused healthcare investment firm GT Healthcare Capital Partners, and global pharmaceutical leaders Pfizer Venture Investments and Johnson & Johnson Innovation, JJDC Inc. The company has also received grant funding from the National Cancer Institute (NCI) Small Business Innovation Research (SBIR) Program and a passive, minority investment from UPMC.