Brown originally attended the London South Collegiate Institute in London, Ontario, Canada before transferring to Saint Stephen's Episcopal School in Bradenton, Florida in 2016, along with his twin brother, Chase Brown.

As a true freshman at Illinois in 2018, Brown started all 10 games he played in and had 55 tackles and one interceptions.

[5][6] Brown was ranked the #3 Canadian prospect ahead of the 2023 CFL Draft, but ultimately went undrafted.

[9] Brown was selected by the Philadelphia Eagles in the third round, 66th overall, of the 2023 NFL draft.

[11] In Week 18 against the New York Giants, Brown tore his ACL, ending his season.