- John Marck is currently the Acting U.S. Attorney for the Southern District of Texas.
- His previous roles include:
- Assistant District Attorney, Brooklyn and Bronx District Attorney’s Offices.
- Assistant U.S. Attorney, Southern District of Texas.
- Refused to answer who won the 2020 election.
- Refused to say what happened on January 6.
- He graduated from St. John’s University School of Law in 2013.