Stephan Moccio (born October 20, 1972) is a Grammy and Academy Award-nominated composer, producer, pianist, arranger, conductor and recording artist. He co-wrote and co-produced the two end credit songs for Fifty Shades of Grey and its soundtrack: "Earned It" (The Weeknd) and "I Know You" (Skylar Grey). He also co-wrote Miley Cyrus' single "Wrecking Ball" from her 2013 studio album Bangerz. He co-wrote Celine Dion's hit "A New Day Has Come" with Aldo Nova, which reached and held the number one spot on the Billboard AC Chart for a record breaking 21 weeks. For the Vancouver 2010 Winter Olympics, Moccio co-wrote the theme song “I Believe” performed by Nikki Yanofsky. He has collaborated with artists such as Seal, The Weeknd, Ellie Goulding, Shaffer "Ne-Yo" Smith, Sarah Brightman, Josh Groban, John Legend, BeBe Winans, Jon Bellion, Gladys Knight, Skylar Grey, Randy Jackson, Jordan Smith, DJ Khalil, Carole Bayer Sager, JC Chasez, Fergie, BC Jean, Planet VI, Boi-1da, as a songwriter, musician and producer. Moccio was one of the three judges on Canada's Got Talent, alongside comedian Martin Short.