Visiting Professor


Before joining UC Hastings, Professor Greaney was the Chester A. Myers Professor of Law and Director of the Center for Health Law Studies at Saint Louis University School of Law. He has written extensively on topics involving health law and policy, antitrust law, and health care financing and is co-author of the nation’s leading health law casebook and hornbook. He has testified several times before the Judiciary Committee of the U.S. House of Representatives and consulted for the FTC, U.S. Department of Justice and state attorneys general on health law enforcement issues. Prior to joining the SLU Law faculty, he served as an Assistant Chief in the Department of Justice, Antitrust Division, specializing in health care antitrust litigation, and completed a visiting professorship at Yale Law School. He has also been a Fulbright Fellow studying European Community competition law in Brussels, and has been a visiting scholar at Université Paris Dauphine in Paris, Seton Hall University, and the University of Minnesota. Professor Greaney was named Jay Healy Health Law Professor of the Year by the American Society of Law, Medicine and Ethics in 2007. He received his B.A magna cum laude from Wesleyan University and his J.D. from Harvard Law School.



  1. Harvard Law School


  2. Wesleyan University



  1. Jay Healy Award 2007

    Health Law Teacher of the Year, American Society of Law, Medicine and Ethics

  2. Thompson & Mithcell Award 1989

    Best Faculty Publication

  3. Thompson & Mithcell Award 1990

    Honorable Mention Best Faculty Publication

  4. Thompson & Mithcell Award 1997

    Honorable Mention Best Faculty Publication

  5. Thompson & Mithcell Award 2004

    Best Faculty Publication

  6. Thompson & Mithcell Award 2006

    Honorable Mention Best Faculty Publication

  7. Thompson & Mithcell Award 2007

    Honorable Mention Best Faculty Publication

  8. Thompson & Mithcell Award 2011

    Best Faculty Publication

  9. Thompson & Mithcell Award 2013

    Best Faculty Publication

Selected Scholarship

  1. Navigating Through the Fog of Vertical Merger Law: A Guide to Counselling Hospital-Physician Consolidation Under the Clayton Act 2016

    University of Washington Law Review

  2. Medicare Advantage, Accountable Care Organizations, and Traditional Medicare: Synchronization or Collision? 2015

    Yale Journal of Health Policy, Law, and Ethics

  3. Competition Policy after Health Care Reform: Mending Holes in Antitrust Law's Protective Net 2015

    Journal of Health Politics, Policy and Law

  4. The Tangled Web: Integration, Exclusivity, and Market Power in Provider Contracting 2014

    Houston Journal of Health Law and Policy

  5. Regulators as Market-Makers: Accountable Care Organizations and Competition Policy 2012

    Arizona State Law Journal


  1. Business Associations and Introduction to Federal Securities
  2. U.S. Healthcare System and the Law
  3. Healthcare System Reform