Per Deadline, Amazon has hired Doug Jung as the series’ showrunner. Jung joins writer Dan Casey on the project based on the best-selling Electronic Arts sci-fi video game franchise. Casey has reportedly been writing on the project for nearly a year.

Star Trek Beyond writer Doug Jung has been appointed showrunner of Amazon Prime's Mass Effect adaptation. As reported by Deadline, Jung will also serve as executive producer on the project. Jung is currently executive producer and showrunner of Apple TV+'s Chief of War. He also has credits on series including Mindhunter, Banshee, and Big Love.

Deadline reports that Amazon MGM Studios, which has been working on developing a "Mass Effect" series since 2021, has hired "Star Trek Beyond" writer Doug Jung as showrunner of the project.