Following a national and international search, Farrokh Dehdashti, MD, has been appointed Senior Vice Chair and Division Director for Nuclear Medicine effective July 1, 2017. She replaces Barry A. Siegel, MD, who has served in the position since 1973. An MIR faculty member since 1990, Dehdashti is a professor of radiology and noted translational scientist. Her clinical interests include oncologic applications of PET, such as receptor imaging in breast and prostate cancers, hypoxia imaging in various cancers, and imaging tumor proliferation. She is also co-director of the Cancer Imaging Program at Siteman Cancer Center.