[1][2] Previously, he was an American attorney and politician who served as the Special Envoy for Monitoring and Combating anti-Semitism under President Donald Trump from 2019 to 2021.

Carr is also an officer in the Judge Advocate General's Corps in the U.S. Army Reserve and an Iraq War veteran.

[12] Republican donor Sheldon Adelson contributed $100,000 to an independent expenditure political action committee in support of Carr's candidacy.

[14] During Carr's Iraq War service, he led U.S soldiers in lighting a Hanukkah menorah in Saddam Hussein's presidential palace.

[15][14] He and his wife Dahlia, a physician, met when they were introduced by a mutual friend hosting a Jewish singles event.