John D. Altenburg, Jr.

John D. Altenburg, Jr.: Attorney with Greenberg Traurig, LLP
  • Of Counsel at Greenberg Traurig, LLP (2024 Attorneys)
  • 2101 L Street, N.W., Suite 1000, Washington, DC 20037
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Major General John D. Altenburg Jr. (USA, Retired) focuses his practice on corporate governance and sensitive, internal investigations in the defense, homeland security sector and the multilateral development bank sector. His practice covers domestic and international corporate representation, including multilateral development bank and federal agency debarment proceedings. His experience as a compliance monitor enhances his representation of corporations for investigation and compliance matters. General Altenburg also represents individuals and corporations in matters requiring access to Top Secret, Sensitive Compartmented Information, such as matters before the Defense Security Service (DSS) or the Defense Office of Hearings and Appeals (DOHA). He has represented senior government officials and corporate executives in executive branch and congressional investigations and hearings.

During his 28 years as a lawyer in the Army, he represented the Army before Congress, state and local governments, and in court in the United States and Germany. He also advised, counseled, and negotiated at all levels within the Army, the Department of Defense and the Department of Justice on matters of importance to the Defense Community, Members of Congress, and the media. As Deputy Judge Advocate General for the Department of the Army from 1997 to 2001, he advised senior military and civilian leaders on critical legal and policy issues and directed the day-to-day operations of approximately 1,800 civilian and uniformed attorneys in 70 offices and 3,000 National Guard and Army Reserve attorneys worldwide. Gen. Altenburg returned to the firm in November 2006 from a public service leave of absence as the Appointing Authority for Military Commissions, Office of the Secretary of Defense.


•National defense, homeland security
•Multilateral Development Banks
•Ethics and corporate compliance
•Government contracts and litigation
•International law
•Defense & Homeland Security

Recognition & Leadership

Awards & Accolades

•Team Member, Best Lawyers in America Top Listed - Government Relations, 2018
•Team Member, a U.S. News - Best Lawyers Government Relations Law Firm of the Year, 2014
•General of the Army Omar N. Bradley Chair for Strategic Leadership, Carlisle Pennsylvania, 2010-2011
•Distinguished Alumnus, Wayne State University, 2011
•Distinguished Alumnus, University of Cincinnati College of Law, 2003
•Distinguished Service Medal, Legion of Merit (2), Bronze Star Medal (2)
•Namesake of academic award at the United States Military Academy, West Point, New York (The Major General John D. Altenburg, Jr. Award for Outstanding Scholarship in the Study of Law)

Areas of Practice (3)

  • Government Contracts & Projects
  • Government Law & Policy
  • Defense & Homeland Security

Education & Credentials

Contact Information:
202.331.3136  Phone
202.261.0136  Fax
University Attended:
Wayne State University, B.A., English and International Studies; US Army Command and Staff College, Master of Military Art; US Army Command and Staff College, Science - History
Law School Attended:
University of Cincinnati College of Law, J.D.
Year of First Admission:
U.S. Court of Appeals for the Armed Forces; United States Army Court of Criminal Appeals; Supreme Court of Ohio; 1973, Ohio; 2003, District of Columbia; Supreme Court of the United States

Professional & Community Involvement

•Director, Past Vice Chair, Board of Directors, National Coalition for Homeless Veterans
•Director, Board of Directors, The Washington Ballet (2008-2011)
•Governor, Past President, Board of Governors, Judge Advocates Association
•Chairman, Military Law Committee, American Bar Association
•Delegate, American Bar Association House of Delegates
•Past Chairman, Senior Advisor, ABA Standing Committee on Armed Forces Law
•Liaison, ABA Standing Committee on Law and National Security
•Member, Board of Visitors, University of Cincinnati College of Law
•Trustee, Board of Trustees, Joseph House for Homeless Veterans (2001-2011)
•Member, North Carolina Joint Regional Land Use Committee (1992-1995)
•Immediate Past President, Board of Governors, VII Corps Desert Storm Veterans Association
•Past President, The Army and Navy Club on Farragut Square, Washington, D.C.
•U.S. Representative, Experts Panel, International Institute of Humanitarian Law, (1997-2003)

Birth Information:
Philadelphia, Pennsylvania, 1944
Reported Cases:
Experience: Prior Legal Experience: Consultant, Office of the President, World Bank Group, April-October 2002; Designed, implemented comprehensive financial disclosure and compliance review and audit system to ensure banking industry best practices and World Bank Group leadership of International anti-corruption initiatives. Designed, developed, implemented review template for the Office of Ethics and Business Conduct for conflicts of interest analysis. Advised World Bank Group Senior Ethics Officer on conflicts of interest issues.; Deputy Judge Advocate General, Department of the Army, 1997-2001; Advised senior civilian and military leaders on sensitive, complex legal and policy issues, many subject to congressional and national media scrutiny.; Advised Army staff principals on counterterrorism, support to civil authorities, and contingency operations worldwide.; Advised the Army Vice Chief of Staff and Department of Defense officials on allegations of senior executive misconduct, conflicts of interest issues, and sensitive investigations.; Responsible for legal oversight of Army SAP for six years; retains clearance for access to Top Secret, Sensitive Compartmented Information; Assistant Judge Advocate General, Military Law and Operations, Department of the Army, 1995-1997; Coordinated legal and policy advice on Army contingency operations worldwide (including 1995 post Dayton Accords entry into Bosnia), support to civilian authorities, and all proposed legislation affecting Department of the Army.; Coordinated legal and policy advice on issues related to Base Realignment and Closure Acts.; Supervised Government Appeals in all criminal litigation before intermediate appellate courts and the Supreme Court of the United States.

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