sentences:  After David Cassidy signed with Universal Studios in 1969, Jack introduced him to former table tennis champion and close friend Ruth Aarons, who later found her niche as a talent manager, given her theater background.Aarons had represented Jack and Shirley Jones for several years, and later represented Cassidy's half-brother, Shaun.Aarons became an authority figure and close friend to Cassidy, and was the driving force behind his on-screen success.