David M. Zacks


Two Party $
Three Party $
Four Party $
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Travel Policy

Hearings outside metro Atlanta area - $200.00 per hour for travel time; plus customary travel expenses including, but not limited to airfare, mileage, car rental, lodging and meals.

Seven hour minimum for all cases outside of metro Atlanta.

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Arbitration Cancellation / Reschedule Policy

If an arbitration must be cancelled or rescheduled 30 DAYS OR LESS BEFORE THE HEARING, as indicated by Henning Mediation’s confirmation letter, a fee equal to EIGHT (8) hours/day will be charged.

All requests for cancellation must be received in writing, preferably via email to donna@henningmediation.com.

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David Zacks gets results. He believes in early intervention. He specializes in resolving disputes using mediation techniques he has learned and developed over the past 45 years as a veteran trial lawyer and a neutral.

The Best Lawyers in America named him “Atlanta Lawyer of the Year” in Mediation, and have recognized him consecutively since 1991.


  • Wake Forest University School of Law, J.D., Phi Delta Phi President (1967)
  • Wake Forest University, B.A., with honors (1964)

Court Admissions

  • Georgia (1970)


  • Mediating/arbitrating cases for 20 years.
  • Founder, President of Zacks Resolution, and early advocate of mediation starting in 1990s.
  • Has defended international companies in "bet the company" cases, and served as lead counsel for plaintiffs in multi-million dollar catastrophic injury and wrongful death cases.
  • Served as principal negotiator on behalf of 500,000 Native Americans during a critical phase of the litigation of Cobell, et al v. Secretary of Interior, et al. that resolved in 2012. Case was settled for $3.4 billion and other considerations.
  • Earlier experience includes serving as a Captain and Certified Military Judge in the Judge Advocate General's Corps of the U.S. Army. Successfully defended a captain in a My Lai related trial.

Work History

  • Zacks Resolution (President, 2014 to present)
  • Kilpatrick Townsend & Stockton LLP (Senior Counsel, 1995 - 2015) (Joined the firm in 1989, is a former member of the Executive Committee; and former Partner, and Chair of the Complex Business Litigation Department, Catastrophic Injury Group and Health & Life Sciences Group)
  • Knox & Zacks (Founding Partner, 1976 - 1993)
  • Hull, Towill Norman & Barrett (Partner, 1971 - 1976)
  • U.S. Army JAG Corps (Captain, 1967 - 1971)

Mediation/ADR Experience

  • Serves regularly as arbitrator and mediator for clients, law firms, and court systems. Has mediated and litigated an extensive list of cases throughout his career.

Mediation/Arbitration Training

  • Georgia Mediator training
  • AAA Commercial Arbitrator II Training
  • AAA Commercial Arbitrator Training
  • National Academy of Distinguished Neutrals Annual Education Programs
  • American Health Lawyers Association Alternative Dispute Resolution, Advanced Concepts Training
  • Harvard Law School, Roger Fisher ADR course
  • Resolution Resources Corporation, Mediation Training
  • Judge Advocate General's School/Military Judges Course

Certifications & Registrations

  • Registered Neutral, Georgia Office of Dispute Resolution
  • AAA Commercial Arbitrator II
  • Registered Neutral, American Health Lawyers ADR
  • Registered Neutral, CPR Panel of Distinguished Neutrals

Professional Associations

  • American Cancer Society (Past National Chair)
  • Georgia Academy of Mediators and Arbitrators (Founding Member)
  • National Academy of Distinguished Neutrals
  • Member, CPR Panel of Distinguished Neutrals-Healthcare and Life Sciences Committee
  • Member, Healthcare Panel, American Arbitration Association
  • Fellow, American College of Civil Trial Mediators
  • Georgia Academy of Mediators and Arbitrators (Founding Member)
  • Georgia Bar Association, Atlanta Bar Association

Publications and Speaking Engagements

  • Author of "Embrace Failure: Get a Good Result in Mediation,” Georgia Bar Association Journal (December 2016)
  • Editor of DR Currents, a Publication of the Dispute Resolution Section of the State Bar of Georgia (2016)
  • Engaging, sought after speaker, with CLE presentations available on mediation and negotiation skills.

Awards and Honors

  • The Best Lawyers in America for Alternative Dispute Resolution
  • Health Care Law, Mediation, Personal Injury Litigation Plaintiffs (2014 - 2015)
  • The Best Lawyers in America for Atlanta Lawyer of the Year - Mediation (2013)
  • Georgia "Super Lawyer" in Litigation, Personal Injury and Alternative Dispute (numerous times)
  • National Register's Who's Who in Executives and Professionals
  • Chambers USA: America's Leading Lawyers for Business for Commercial Litigation Law
  • Georgia Trend's "Legal Elite" for Personal Injury Law
  • Atlanta Bar Association-Palmer Ansley Leadership Award
  • Wake Forest University Distinguished Alumni Award


  • National Cancer Society, former national chair
  • Leadership Georgia, past trustee
  • Legal Clinic for the Homeless/Atlanta, founder and past president