He has a broad background in medical physics, with specific training and expertise in key research areas for this application. In particular, he has an extensive research experience in the use of molecular imaging for treatment assessment and use of novel imaging in drug development. Jeraj leads the UW Image Response Assessment Team (IRAT) and co-directs the UW Image Analysis Center (IMAC). He is also the co-leader of the UW Translational Imaging Research Group (TIR) that oversees concept development, protocol design and implementation in trials incorporating novel anti-cancer drugs with imaging endpoints. Among other duties, he is chair of the Imaging for Treatment Assessment working group at AAPM, a member of the Medical Physics committee at RTOG and a member of the Experimental Imaging Sciences Committee at ACRIN.