Complex sentence: He was previously the Gayle and Paul Stoffel Distinguished Chair at University of Texas Southwestern Medical Center and prior to that, the Dickinson Richards Professor at Columbia University, and was former President of Heart Failure Society of America.
Split into simpler sentences: He was previously the Gayle and Paul Stoffel Distinguished Chair at University of Texas Southwestern Medical Center. Prior to that, the Dickinson Richards Professor at Columbia University, and was former President of Heart Failure Society of America.