Stroke neurologist Stroke neurologist Hesham Masoud, MD, discusses the rise in numbers of young people having strokes Hesham Masoud, MD, discusses the rise in numbers of young people having strokes. Professors. Professors Stephen Knohl, MD, from Upstate Medical University, and Stephen Cross, from Syracuse University, tell about a theater program that's helping young doctors polish their communication skills. Stephen Knohl, MD, from Upstate Medical University, and Stephen Cross, from Syracuse University, tell about a theater program that's helping young doctors polish their communication skills.