Koen Heldens is a Dutch-born international multi-platinum, American Music Award- and Billboard Music Award-winning mixing engineer.
Originally from the Netherlands, Heldens began music school at the age of 6, attended the Venray School of Music, and accelerated through his teenage years as a music producer and classically trained pianist.
He moved to Los Angeles at 19 to start a career in the music business.
Heldens started his career in 2003, and rose to prominence in 2017 when he started working with the late XXXTentacion, with whom he earned a Guinness World Record for most streamed song in a single day for the Billboard Hot 100 #1 single "Sad!"
Heldens has worked with Beyoncé, Lil Wayne, Joe Budden, Missy Elliott, Fat Joe, Rihanna, J-Lo, Run DMC, Dr. Dre, Dreezy, En Vogue, Kid Ink, Lecrae, Sizzla, Timbaland, TLC's T-Boz, and Wiz Khalifa.
Heldens has been nominated for a Grammy Award, and has won an American Music Award and a Billboard Music Award.
He is often called upon to teach and speak on panels for music companies such as the National Association for Music Merchandisers (NAMM) and Avid's Pro-Tools. He also reviews plugins and new technologies for "quality and accuracy" for various companies.