[2] On July 20, 2014, Braun started his professional career with the Belgian team Okapi Aalstar, signing a one-year deal.

[4] Braun helped Okapi Aalstar to reach the 2015 Belgian League Semifinals, where they eventually lost to Belfius Mons-Hainaut.

[6] On November 21, 2015, Braun recorded a season-high 24 points, shooting 10-of-14 from the field, along with six rebounds, three assists and three steals in a 95–67 win over BG Göttingen.

[12] On April 8, 2018, Braun recorded a season-high 21 points, shooting 7-of-14 from the field, along with eight rebounds and five steals in an 80–72 win over Flexx Pistoia.

[14] On October 15, 2018, Braun recorded a career-high 8 steals and a season-high 24 points, shooting 5-of-7 from 3-point range, along with seven rebounds, four assists in a 105–73 blowout win over Hapoel Tel Aviv.

Braun helped Be'er Sheva reach the 2019 Israeli League Playoffs, where they eventually were eliminated by Hapoel Jerusalem in the quarterfinals.

On February 27, 2020, Braun signed with Hapoel Be'er Sheva for the rest of the 2019–20 Israeli League season, returning to the team for a second stint.

[19] On February 20, 2018, Braun was named a member of the United States national team for the 2019 FIBA World Cup qualification.