Career Experience

Mark began his professional journey driven by passion for military criminal justice, dedicating a 30-year career to developing expertise for defending criminal cases in military courts. He initially resolved to become the best criminal litigator in the Army with the hope of eventually serving as a Military Trial Judge.

US Army | Fort Stewart, GA
Criminal Prosecutor(1993—1994)
Special Assistant US Attorney(1994—1995)

During his first military assignment, Mark served with the 24th Infantry Division (Mechanized) at Fort Stewart, Georgia, as both a Criminal Prosecutor and Special Assistant US Attorney (SAUSA).

  • Advised and directed CID agents conducting military criminal investigations, drafted and preferred criminal charges, and served as a Prosecutor handling all aspects of court-martial trial and sentencing proceedings.
  • Personally prosecuted approximately 50 court-martial trials.
  • Represented the government during involuntary separation proceedings of Soldiers, and advised commanders on nonjudicial punishment and other adverse actions.
  • As a SAUSA, prosecuted civilian criminal misconduct on military installations at Fort Stewart and Hunter Army Airfield.

US Army | Washington, DC
Appellate Defense Attorney (1995-1997)

Mark was assigned to the US Army Defense Appellate Division, where he defended Soldiers on appeal of their court-martial convictions.

  • Personally handled over 100 criminal appeals before the US Army Court of Criminal Appeals (ACCA) and the US Court of Appeals for the Armed Forces (CAAF). Reviewed records of trial, raised legal issues, wrote legal briefs, and presented oral argument before both ACCA and CAAF.
  • Argued/won two precedent-setting cases (published opinions), for major jurisdictional issues.
  • Selected to serve as “writs coordinator” for the Defense Appellate Division, responsible for reviewing, filing, and arguing all extraordinary writs filed by Trial Defense Service (TDS) trial attorneys throughout the Army.
  • Selected to serve as the US Supreme Court coordinator for the Defense Appellate Division, responsible for all appeals submitted to the US Supreme Court.

US Army | Fort Bliss, TX
Chief, Criminal Law Division(1997—1999)

As a senior Captain, Mark served as the Chief of the Criminal Law Division at Fort Bliss, Texas, where he was responsible for all criminal prosecutions and other military justice actions.

  • Supervised five Criminal Prosecutors in conducting all court-martial trials, administrative separations, and other military justice actions at Fort Bliss. Supervised or served as Prosecutor in approximately 100 court-martial trials.
  • Advised the Commanding General, Staff Judge Advocate, and CID Special Agent-in-charge on all matters related to military justice and criminal investigations and prosecutions.
  • Served as Lead Prosecutor on a high-profile case of a Lieutenant Colonel defendant involving a complicated lack of mental responsibility defense, and personally assisted in the prosecution of other complex cases.

US Army | Schofield Barracks, HI
Senior Defense Counsel(2000—2003)

After promotion to Major and earning his Master of Laws (LLM) degree from the Army JAG School, Mark was selected to serve as the Senior Defense Counsel in the Hawaii Trial Defense Service (TDS) office, where he was responsible for the defense of all Soldiers in Hawaii and the Pacific under military investigation or charged with criminal offenses.

  • Supervised three Criminal Defense Attorneys and personally represented his own clients in providing defense services to Soldiers in Hawaii and the Pacific, including representation for military criminal investigations, pretrial confinement proceedings, court-martial charges and trials, involuntary administrative separation proceedings, and nonjudicial punishment.
  • Supervised or personally handled the court-martial defense of Soldiers and Marines in approximately 150 court-martial trials.
  • Presented two classes during Nationwide Trial Defense Service conferences: “Selection and Challenge of Court-Martial Panel Members” and “Defending a Urinalysis Case.”

Department of Defense | Washington, DC
Acting Deputy Chief Defense Counsel and Defense Counsel(2003—2005)

As a recognized expert in defending criminal cases, Mark was hand-selected to serve as the only Army military attorney assigned to the Office of Chief Defense Counsel, Office of Military Commissions, Department of Defense in Washington, DC. Mark and his four defense colleagues from the Navy, Marine Corps, and Air Force were the focus of extensive national media coverage and worked closely with several human rights and civil liberties organizations.

  • Responsible for the defense of detainees at Guantanamo Bay, Cuba, charged with war crimes following the 9/11 attacks, in the first Military Commission trials to be held since World War II. Personally represented one of the first detainees charged with a war crime.
  • Filed a notable amicus curiae brief with the US Supreme Court for the case Al Odah v. United States, which successfully challenged the lack of Federal court oversight of the Guantanamo Bay detentions.
  • Filed an amicus curiae brief with the US Supreme Court in the case of Hamdan v. Rumsfeld, which successfully challenged the Military Commissions established by the President of the United States.
  • Lectured and participated in several panel discussions at respected universities and institutions, including Oxford University in London, Georgetown University Law Center, and a Federal Judicial Conference in California’s Ninth Circuit.
  • Promoted to Lieutenant Colonel during this assignment.

US Army | West Point, NY
Associate Professor(2006—2009)

After earning his second Master of Laws (LLM) degree from Georgetown University Law Center in Constitutional Law, Mark became an Associate Professor in the Department of Law at the United States Military Academy (USMA) at West Point, New York.

  • As Course Director, taught and developed a curriculum for an Advance Constitutional Law seminar designed for law majors at USMA.
  • Taught a course to senior cadets at USMA that included instruction in military justice and criminal law.
  • Served as Principal Director responsible for planning, coordinating, and executing a multi-day conference for the Grand Opening of the West Point Center for the Rule of Law.
  • Deployed to Afghanistan as Senior Legal Adviser to the National Military Academy of Afghanistan.

US Army | Fort Carson, CO / South Korea / Japan
Circuit Judge(2009—2012, 2014—2015)

Mark served as Circuit Judge in the US Army Trial Judiciary at Fort Carson, Colorado from 2009 to 2012, and then in both South Korea and Japan from 2014 to 2015, where he presided over felony-level court-martial trials.

  • Trial judge in approximately 250 court-martial trials for felony-level offenses, including arraignments, motion hearings, jury and bench trials, sentencing proceedings, and post-trial sessions, at Fort Carson, South Korea, Japan, Joint Base Lewis-McChord, Fort Bliss, Fort Irwin, Schofield Barracks, Joint Base Elmendorf-Richardson, and Fort Wainwright.
  • Served as “Benchbook editor,” supervising a staff of other trial judges developing jury instructions and trial guides used by trial judges in all of the military services (Army, Navy, Marine Corps, Air Force, and Coast Guard).
  • Wrote/published article in The Army Lawyer, “View from the Bench: The Overlooked Art of Conducting Voir Dire.”
  • Promoted to Colonel during this assignment.

US Army | Schofield Barracks, HI
Staff Judge Advocate(2012—2014)

As the Staff Judge Advocate for the 25th Infantry Division & US Army, Hawaii, at Schofield Barracks, Hawaii, Mark was the principal legal advisor to the senior commander, a Major General and Division Commander, and other senior Army commanders.

  • Principal member of the Division staff and legal advisor to the Division commander.
  • Provided guidance to the Division commander on all General/Special Court-Martial trials and the selection of panel members (jurors) for court-martial trials.
  • Led and managed a legal office of 30 attorneys and 50 paralegals providing all legal services to US Army forces in Hawaii, including military justice, administrative and installation law, operational law, fiscal law, environmental law, and legal assistance.

US Army |Schofield Barracks, HI
Chief Circuit Judge(2015—2017, 2019—2021)

Mark was elevated to serve as the Chief Circuit Judge for the US Army Trial Judiciary’s Fourth Circuit during two assignments at Schofield Barracks, Hawaii.

  • Led, mentored, and managed 11 trial judges in the Army’s largest and busiest judicial circuit, encompassing Joint Base Lewis-McChord, Fort Bliss, Fort Carson, Alaska (Joint Base Elmendorf-Richardson, Fort Wainwright), Fort Irwin, Fort Huachuca, Presidio of Monterey, Hawaii (Schofield Barracks, Wheeler Army Airfield, Fort Shafter), South Korea, and Japan.
  • Trained judges in the Fourth Circuit and advised the Army’s Chief Trial Judge.
  • Managed the Hawaii trial docket and presided as trial judge in approximately 150 court-martial trials.
  • Presented a class during Joint Military Judges Annual Training entitled “Psychotherapist-Patient Privilege,” and assisted the Chief Trial Judge in planning other training for trial judges.

US Army | Fort Belvoir, VA
Chief Trial Judge(2017—2019)

At the pinnacle of his military career, Mark was tapped by The Judge Advocate General to serve as the US Army’s Chief Trial Judge.

  • Led, trained, and managed the US Army Trial Judiciary, consisting of over 40 trial judges throughout the world.
  • Advisor and liaison to The Judge Advocate General, US Army, for all matters related to the Trial Judiciary.
  • Developed and executed a 3-week course for training and certifying all new trial and appellate judges in the Army, Navy, Marine Corps, Air Force, and Coast Guard to preside over felony-level criminal trials and appellate proceedings.
  • Responsible for developing, approving, and implementing jury instructions and trial guides used during court-martial trials by trial judges and military attorneys from all of the military services.
  • Created and instituted an annual training course for all Army trial judges focused on issues related to “sexual assault” trials.
  • Presided as trial judge in two Capital (Death Penalty eligible) court-martial trials, one in the Army and one in the Air Force.

After a successful 30-year military career, Mark transitioned to the next phase of his legal career by beginning a private practice as a civilian attorney focused exclusively on representing Soldiers, Sailors, Airmen, Marines, and Coast Guardsmen under military investigation or pending adverse actions such as court-martial, nonjudicial punishment, letters of reprimand, and involuntary administrative separations. The Hawaii-based firm represents military servicemembers throughout the world, from junior enlisted to senior officers.