Sanford Health announces T. Denny has died

SIOUX FALLS, S.D. (KELO) -- South Dakota’s most well-known billionaire has died. On Saturday morning, Sanford Health CEO Bill Gassen announced in an email to Sanford employees Thomas Denny Sanford died. Sanford was 90 years old and died on Saturday, according to an obituary. "Denny was a true friend, champion and believer in Sanford Health's mission and [...]