[2] Leibowitz served as a law clerk for Associate Justice Robert Flanders of the Rhode Island Supreme Court from 2000 to 2001.

Senator Marco Rubio recommended Leibowitz to the Biden administration to be a federal judge.

He was nominated as part of a bipartisan package of nominees which included Jacqueline Becerra and Melissa Damian.

President Biden nominated Leibowitz to the seat vacated by Judge Federico A. Moreno, who assumed senior status on July 17, 2020.

[3] Leibowitz is the nephew of Norman Braman, a billionaire with a car dealership empire throughout South Florida.