Deirdre. DiBiaggio died in Centennial, Colorado, on February 1, 2020. He was 87 years old. References External links Office of the President: John A. DiBiaggio Papers (Michigan State University Archives & Historical Collections) President's Office Records (University of Connecticut Archives & Special Collections) 1932 births 2020 deaths People from San Antonio Physicians from Detroit Horace H. Rackham School of Graduate Studies alumni Presidents of the University of Connecticut Presidents of Michigan State University Presidents of Tufts University Eastern Michigan University alumni University of Detroit Mercy alumni American dentists