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Member Profile: John N. Greer, Esq.

design element John N. Greer, Esq.
Patuxent Mediation Services, LLC
10400 Shaker Drive
PO Box 43
Simpsonville, MD 21150
Email: Click for email

Tel: (410) 772-8821
Fax: n/a

MD Chapter:

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ADR Services Include:

Mediation; Med-Arb; Facilitation & Systems Design; Fact Finding; ADR Training/CME


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Calendar Last Updated: 19 Jan 18
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John N. Greer, Esq. has substantive case experience in the following areas...

design elementAppellate
design elementArts (Fine, Performing)
design elementAutomotive
design elementBusiness Dissolution
design elementCivil Rights
design elementCommercial/Business
design elementCommunity Associations
design elementCondominiums
design elementConstruction
design elementContract Disputes
design elementCross Cultural
design elementDebt Collections
design elementDiscrimination
design elementEEOC
design elementEducation
design elementElder Abuse
design elementEmployment
design elementEngineering
design elementEntertainment Sector
design elementEnvironmental
design elementFamily Businesses
design elementIndustrial
design elementInsurance
design elementInternational
design elementInternet
design elementLabor/Unions
design elementLand Use/Planning
design elementLandlord/Tenant
design elementLibel & Slander
design elementLocal Govt./Municipalities
design elementMedia & Communications
design elementMilitary
design elementNon-profit Organizations
design elementNursing Homes
design elementPartnerships
design elementPersonal Injury
design elementPremises Liability
design elementProduct Liability
design elementProperty Damage
design elementPublic Policy
design elementReal Estate
design elementReligious Institutions
design elementSexual Harassment
design elementSoftware
design elementSports
design elementTechnology
design elementTelecommunications
design elementTitle Disputes
design elementTorts
design elementTransportation
design elementTrusts / Estates
design elementWage & Hour/FMLA
design elementWorkers' Compensation
design elementWrongful Death


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Dispute Resolution

John has been certified as a mediator by the Maryland Council for Dispute Resolution.  Certification, the result of a rigorous peer review, is a recognition that John meets the highest standards of professional competence. 

John is an adjunct faculty member at the University of Maryland Carey School of Law.  He teaches dispute resolution and negotiation.

He also is a mediator on the following panels:
--Nuclear Regulatory Commission

--Equal Employment Opportunity Commission

--Better Business Bureau

--District of Columbia Court of Appeals

--Maryland Circuit Courts
--Anne Arundel County Circuit Court
--Allegany County Circuit Court
--Baltimore City Circuit Court
--Baltimore County Circuit Court
--Charles County Circuit Court
--Frederick County Circuit Court
--Howard County Circuit Court
--Montgomery County Circuit Court
--Talbot County Circuit Court
--Queen Anne's County Circuit Court
--Mediation & Conflict Resolution Center, Howard County Community College

--Maryland Commission on Civil Rights (since 2004)

--National Security Agency (2005-2013)

John is an arbitrator for the Financial Industry Regulatory Authority (FINRA) and the Better Business Bureau.  

He is also a Settlement Conference Facilitator for the Charles County Circuit Court.

Work History

John's legal background has almost exclusively been in federal practice. He started as a litigation attorney in the Intelligence Community, then served as a legislative attorney and progressed to Legislative Counsel at the National Security Agency.  He then served as NSA's Cybersecurity/Information Assurance Counsel and retired as its Senior Counsel.  These practice areas are provided below in reverse chronological order.

Senior Counsel, Office of General Counsel, National Security Agency, 2012-13 (retired)

John's wealth of experience in the alternative dispute resolution area significantly enhanced NSA's efforts.  While Senior Counsel, he organized and hosted a week-long series of employee workshops led by conflict resolution specialists to mark NSA's 2012 celebration of Conflict Resolution Week.  In addition, his review of NSA alternative dispute resolution programs resulted in many improvements that greatly benefited the Agency and its employees.

Associate General Counsel (Cybersecurity/Information Assurance), Office of General Counsel, National Security Agency, 2008-12

John's considerable legal skills, depth of experience, sound judgment, and vision for the future played a major role in helping NSA organizations adapt to a rapidly changing operational environment.  For example, he worked with legal experts throughout the Government and in industry to address the issues presented by the Deputy Secretary of Defense's desire to provide better cybersecurity protection for the Defense Industrial Base sector of the national critical infrastructure.  The model he helped to develop was extended to other critical infrastructure sectors in the executive order issued by President Obama on February 12, 2013 and announced in his State of the Union Address.  In addition, working with the Department of Homeland Security and the FBI, John helped NSA navigate the difficult legal waters surrounding Government engagement with private entities regarding major cybersecurity intrusions into the U.S. economy.

Associate General Counsel (Legislation), Office of General Counsel, National Security Agency, 1999-2008

John was responsible for developing and implementing NSA's legislative strategy with respect to legislation needed from or pending with Congress.  He also guided NSA and other Administration officials through sensitive dealings with Congress, such as hearings and briefings on critical and current topics.  As a result of his extensive legislative experience, he is recognized as an expert on negotiation skills.  Prior to becoming Legislative Counsel, John served as a legislative attorney at NSA from 1996-99 and at another Intelligence Community agency from 1994-96.

Litigation Attorney, Intelligence Community, 1990-94

John handled a full range of civil and criminal litigation matters affecting the Intelligence Community.

Associate Attorney, Baltimore, MD, 1987-90

John specialized in corporate law and estates and trusts.


Academic Background
  • J.D., University of Maryland School of Law, with honors, 1987
  • M.A., Cornell University, Jacob and Louise Ihlder Teaching Fellowship, 1979
  • B.A., Colgate University, magna cum laude, Phi Beta Kappa, Charles A. Dana Scholar, 1977

Dispute Resolution Traning

Strauss Institute for Dispute Resolution and University of Maryland Francis King Carey School of Law, Baltimore, MD

 --  “Breaking Impasse With Science,”2016

 --  “Professional Skills Program in Dispute Resolution:  Strategic      Negotiation,” 2013 


--  Expungement Course , 2014

--  Basic Arbitrator Training, 2013

Cornell University, Scheinman Institute on Conflict Resolution, Ithaca, NY

--  “Employment Law Mediator Training,” 2013

Justice Center of Atlanta, Inc., Baltimore, MD

--  “Mediation in Workplace Disputes,” 2012

--  “Basic Conflict Management for Executives,” 2002

Center for Creative Leadership, Baltimore, MD

“Intermediate Conflict Management,” 2012

--   “Advanced Conflict Management,” 2012

Harvard Law School, Program on Negotiation, Cambridge, MA

--   “Advanced Negotiation:  Difficult Conversations,” 2006

--  “Negotiation Workshop: Ways to Organize and Use the Basic Elements of Negotiation,” 2002

Memberships & Affiliations

  • Governor of Maryland’s Volunteer Service Certificate, 2013
  • National Security Agency Director’s Distinguished Service Medal, 2013
  • Presidential Rank Award for Meritorious Senior Career Employee, 2010
  • Current Member and Past At-Large Director on Board of Directors, Maryland Council for Dispute Resolution
  • Member, Maryland Program for Mediator Excellence
  • Member, American Bar Association, Alternative Dispute Resolution Section
  • Member, Maryland State Bar Association, Alternative Dispute Resolution Section
  • Admitted, Maryland and District of Columbia Bars


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