Professor Ball teaches criminal law; criminal procedure; and structural reforms to the criminal legal system at Santa Clara University School of Law. He is co-chair of the ABA Corrections Committee. TOPICS: Decarceration Prosecutorial discretion in sentencing. Private prisons Lack of data and accountability around incarceration policymaking. California realignment. Why we should looking at prisons the way we look at medical care: Provide evidence and diagnose causes- not just prescribe for the symptoms. Restorative Justice.