William Hartgering

William E. Hartgering

JAMS Mediator, Arbitrator and Referee/Special Master

Case Manager
Deborah Stewart
T: 312-655-9192
F: 312-655-0644
71 S. Wacker Drive, Suite 2400, Chicago, IL 60606


A full time mediator since 1981, Mr. Hartgering established the Chicago ENDISPUTE office in 1982. He has been appointed a Special Master, Mediator or Referee by federal or state courts in 8 states. His national practice includes hundreds of complex mediations in more than 35 states involving multiple private and governmental parties. Prior to 1981 he practiced law, concentrating on commercial, employment, and real estate litigation. Bill has taught negotiation at Northwestern University's Kellogg Graduate School of Management and Law School.

Workshops and Presentations conducted include:
  • Selected to conduct 3 nationwide “Negotiation and Dispute Resolution for Hospitals: Intensive Workshops for Management, Medical Staff and Physicians,” sponsor: American Hospital Assn.
  • “The Relationship of Quality Health Care and Alternative Dispute Resolution” presented to the Illinois Community Health Care Assn.
  • “Symposium on Mediation and Conflict Resolution” American College of Emergency Physicians 25th Anniversary Conference.

Representative Matters

  • Construction
    • Mediation, several disputes involving contract and substantial hospital construction issues.
  • Corporate/Partnership Dissolution
    • Mediation/Arbitration resolves bitter dispute over corporate control and the value of remaining stock of a closely held medical company involving physician/inventors and drug research.
    • Pending mediation involving substantial disputed grant proceeds and several pieces of equipment purchased by co-physician grantees.
  • Group Health Coverage
    • Mediation, claim involving the definition of a “dependent” and scope of coverage under a national group health policy.
  • HMO Acquisition
    • Mediation, dispute involving numerous issues arising after the purchase of an HMO.
  • Hospital, Administration, Physician Group Relations
    • Mediation, “State of the Art” cancer treatment center jointly owned by two hospitals, radiation oncologist group practice and individual consulting physicians resolve a variety of issues including the approval of medical staffing patterns and center by laws, the use of outside consultants, and the regional delivery of health care.
Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS. 

  • Honors
    • Ranked among the Top 10 ADR Neutrals in Illinois, Leading Lawyers, 2014
    • Recommended “Leading Lawyer” Commercial ADR Law
  • Memberships & Professional Activites
    • Former Adjunct Faculty, Northwestern University
      • Kellogg School of Management
      • Pritzker School of Law
    • Trainer, 30 forums in 15 states, Hong Kong, Latvia, and Lithuania
    • Member, Regional Utility Mediation/Arbitration Outage Allocation Panels
    • Active Member, ABA Section of Dispute Resolution and SPIDR (now ACR), 1981-present
    • Member, Unitarian Church of Evanston
  • ADR Profile
  • J.D., Northwestern University (Law Review, First Place, Moot Court Competition; National Moot Court team), 1975
  • B.S., cum laude, Political Science, Claremont McKenna College, Claremont, CA, 1972
  • Born 1949, Two children, Extensive travel in Japan, Hong Kong, South Africa, Asian/European Russia, Eastern/Western Europe, Caribbean, Central America, and each of the 50 United States

Counsel Comments

    • "Bill is an extraordinarily quick study, who thoroughly prepares and thus is very credible in the discussion of strengths and weaknesses. He understands my business, the law and kept us focused on the practical issues driving our dispute.” 

      -from Feedback: Secrets of Successful (& Unsuccessful) Mediators 2007 Studies II and III




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