Korey Pereira earned a B.S. in Radio-Television-Film from the University of Texas at Austin. Since graduating, he has remained involved with the department by mixing end-of-semester student films and in 2018 joined the faculty as a Lecturer. In 2023 he accepted a position as an Assistant Professor of Practice and Audio Area Head. He has also guest lectured at Texas State University, East Tennessee State University, Syracuse University, and a number of courses at the University of Texas.

Korey is the founder of Soularity Sound, a post-production sound company based in Austin, Texas. He also works with Soundcrafter and a number of other Austin and LA-based crews as a Dialogue Editor, Foley Mixer or Supervising Sound Editor. In 2020, he upgraded his studio to support Dolby Atmos mixing and has expanded into 360 spatial audio for VR and Atmos mixing for video games. He started the now recurring Tech Corner column for Wavelength (the MPSE quarterly magazine) and regularly contributes to ProSoundEffects.com and Production Expert.

Korey is an active member of the Television Academy of Arts and Sciences and in 2021 he was elected to the Motion Picture Sound Editors' Board of Directors. In 2022, Korey was awarded a Primetime Emmy for his sound editing work on Stranger Things Season 4. In 2023, Korey was nominated for a Golden Reel for his work on Stranger Things and won for his work on Prey, and was also nominated again for his work on Stranger Things. Other credits include films from both Richard Linklater and Robert Rodriguez, as well as television series such as Shipping Wars, Law & Order, My 600-lb Life, and Fixer Upper: Welcome Home. A full list of credits can be found on IMDB. When not working, Korey enjoys traveling the world with his wife and recording new sounds along the way.