John Marck

John Marck
Judge of the United States District Court for the Southern District of Texas
Assumed office
July 9, 2026
Appointed byDonald Trump
Preceded byMicaela Alvarez
Acting United States Attorney for the Southern District of Texas
In office
March 10, 2026 – July 9, 2026
PresidentDonald Trump
Preceded byNicholas Ganjei
Succeeded byAaron Reitz
Personal details
BornJohn George Edward Marck
1982 (age 43–44)
EducationBrooklyn College (BA)
St. John's University (JD)

John George Edward Marck (born 1982)[1] (known professionally as John G.E. Marck) is an American lawyer who serves as a United States district judge of the United States District Court for the Southern District of Texas. He previously served as the acting United States attorney for the Southern District of Texas prior to becoming a judge.

Early life and education

Marck was born in 1982, in West Islip, New York. He received his Bachelor of Arts degree in 2009 from Brooklyn College and his Juris Doctor in 2013 from St. John's University School of Law.[2][3][4]

Career

He worked as a security guard with ABM Security Services from 2009 to 2013, while attending law school. He began his career as an assistant district attorney for the Bronx County District Attorney and the Brooklyn District Attorney in New York City. From 2021 to 2026, he served as an assistant United States attorney in the Southern District of Texas, including as associate deputy criminal chief in 2025 and as first assistant United States attorney from 2025 to 2026, before becoming Acting United States attorney in 2026. In 2026, he served as the Acting United States Attorney for the Southern District of Texas.[2][3][4]

Federal judicial service

On April 1, 2026, President Donald Trump announced his intention to nominate Marck to an undesignated seat on the United States District Court for the Southern District of Texas.[2] On April 14, 2026, Trump nominated Marck to the seat vacated by Judge Micaela Alvarez. On April 29, 2026 he had his confirmation hearing with the Senate Judiciary Committee. On June 18, 2026 the Judiciary Committee advanced his nomination on a 12–10 party-line vote.[5] On June 24, 2026 the Senate invoked cloture on his nomination by a 52–45 vote[6] and on the same day he was confirmed by the same 52–45 margin.[7] He received his judicial commission on July 9, 2026.[8]

References

  1. ↑ "State Bar of Texas | Find A Lawyer  | John George Edward Marck". www.texasbar.com.
  2. 1 2 3 "Donald J. Trump (@realDonaldTrump)". Truth Social.
  3. 1 2 "Southern District of Texas | Meet the U.S. Attorney | United States Department of Justice". www.justice.gov. March 1, 2021.
  4. 1 2 Marck, John George Edward (April 9, 2026). "Senate Judiciary Committee Questionnaire" (PDF). www.judiciary.senate.gov. United States Senate Committee on the Judiciary. Retrieved April 9, 2026.
  5. ↑ "PN930-7 - Nomination of John George Edward Marck for The Judiciary, 119th Congress (2025-2026)". www.congress.gov. June 23, 2026.
  6. ↑ "On the Cloture Motion (Motion to Invoke Cloture: John George Edward Marck to be U.S. District Judge for the Southern District of Texas)". senate.gov. June 24, 2026. Retrieved June 28, 2026.
  7. ↑ "On the Nomination (Confirmation: John George Edward Marck, of T.X., to be U.S. District Judge for the Southern District of Texas)". senate.gov. June 28, 2026. Retrieved June 24, 2026.
  8. ↑ John Marck at the Biographical Directory of Federal Judges, a publication of the Federal Judicial Center.