Gzim Selmani (born 16 June 1994) is a Dutch professional wrestler and former mixed martial artist.

[3] Selmani joined Golden Glory management team and began to compete in amateur mixed martial arts Shooto competitions in the Netherlands in 2012.

Selmani defeated Mario Milosavljevic in November 2013 to record his second professional victory, and beat Tomaž Simonič at FFC 10 in Skopje, Macedonia.

[10] He made his in-ring debut at a NXT house show in Venice, Florida on 30 January 2016, losing to Josh Woods.

[18] The duo won the 2016 Dusty Rhodes Tag Team Classic, defeating TM61 in the tournament final at NXT TakeOver: Toronto.

On 9 April episode of Raw, The Authors of Pain, along with Ellering, made their main roster debut, defeating Heath Slater and Rhyno.

After the match, Akam and Rezar ended their partnership with Ellering by pushing him away and leaving him ringside as they returned backstage.

[26] According to a report from Sean Ross Sapp of Fightful on 30 August 2023, the Authors of Pain had been re-signed with the WWE in 2022 prior to the return of Vince McMahon as chairman in January 2023 and they were on the internal travel list as of May 2023.

[27][28] During the 22 December, episode of SmackDown, Rezar along with Akam were shown in vignettes by Karrion Kross and Scarlett that they will be returning as part of an alliance.

[29] On SmackDown: New Year's Revolution, Rezar, alongside Akam and Paul Ellering made their televised return to WWE, assisting Karrion Kross and Scarlett in attacking Bobby Lashley and the Street Profits, confirming their alliance in the process.

[30] AOP made their return to the ring on 16 February edition of SmackDown where they faced NXT talents Beau Morris and Javier Bernal in a squash match.

[34] At Week 2 of Spring Breakin', Rezar and Akam was unsuccessful at winning the NXT Tag Team Champions from Axiom and Nathan Frazer after interference from New Catch Republic.