On March 4, 2021, Kim Tzoumakas was appointed CEO of the company formerly known as the Center for Diagnostic Imaging (CDI) — now RAYUS Radiology by Wellspring Capital Management. Wellspring knew CDI had significant potential for growth and chose Tzoumakas to lead the organization; Tzoumakas was fresh off a successful turnaround and sale of 21st Century Oncology to GenesisCare in May 2020.