EL SEGUNDO, Calif., July 19, 2019-- Radiology Partners, (RP), the largest radiology practice in the U.S., today announced that Starr Investment Holdings (SIH) has invested approximately $700 million of long-duration capital in the practice to support its continued growth, including future practice and hospital system partnerships, as well as investments in clinically-focused technology and innovation. RP physicians are also expected to participate in this investment round. SIH, which focuses primarily on market leading technology-enabled healthcare services businesses, will join RP’s Board of Directors.