BIOGRAPHY

Koen Heldens is an award-winning, Billboard No. 1 mix engineer who blends raw emotional depth with technical precision, always keeping the artist’s vision at the heart of the process. Known for his intuitive, artist-focused approach, Koen shapes records that resonate deeply while delivering unmatched sonic clarity and impact. With a portfolio of genre-defining hits, cinematic excellence, and cutting-edge workflow efficiency, he is a trusted choice for mixes that honor the artist’s intent and dominate the charts.

Koen earned a GRAMMY nomination for his work on the 2× RIAA Platinum Certified Spider-Man: Into the Spider-Verse Billboard No. 1 soundtrack, and has won both an American Music Award and a Billboard Music Award for his contributions to XXXTentacion’s 3× RIAA Platinum Certified debut Billboard R&B No. 1 album, 17. He served as the mixing engineer for XXXTentacion’s SAD! from the 6× RIAA Certified Billboard 200 No. 1 album ?, which achieved RIAA Diamond Certification, became a Billboard Hot 100 No. 1 hit, and set a former Guinness World Record for the “Most Streamed Track on Spotify in 24 Hours.” The album ? remains Spotify’s most-streamed hip-hop album of all time.

Koen also mixed XXXTentacion’s Fuck Love (ft. Trippie Redd), which is RIAA Diamond Certified and holds the Guinness World Record for the “Most Streamed Track on SoundCloud,” further cementing his role in shaping some of the most impactful songs of the streaming era.

Internationally, Koen has earned multiple Gold and Platinum certifications and contributed to numerous No. 1 albums and singles. He also won an Edison Pop Award (Dutch GRAMMY) for his work on Meau’s Gold Certified debut album 22.

Throughout his career, Koen has collaborated with some of music’s most influential artists, including Juice WRLD, Lil Wayne, Maluma, Roddy Ricch, The Kid LAROI, Trippie Redd, Swae Lee, Rick Ross, Bryson Tiller, KSI, Elley Duhé, Lil Pump, Joyner Lucas, Stefflon Don, Joey Bada$$, Mario, DaniLeigh, Leah Kate, Kid Ink, Lil Skies, Natalie Jane, YBN Nahmir, Keke Palmer, and Vybz Kartel, among many others. His work has contributed to over 100 million record sales and more than 35 billion on-demand audio streams, solidifying his legacy as one of the most accomplished and in-demand mixing engineers in the industry.

Follow Koen on Instagram: @mixedbykoenheldens