Christopher Alan "Tricky" Stewart (born January 4, 1974) is an American record producer, record executive, songwriter, and music publisher. In a career spanning over 30 years, Stewart has won 5 Grammys and is responsible for over 50 million records sold. He is noted for producing many hip hop, R&B and pop chart topping singles, often with The-Dream. Some of Stewart's record breaking singles are: Beyoncé's "Single Ladies (Put a Ring On It)" (2008), Rihanna's "Umbrella" (2007), Justin Bieber's "One Time" (2009) and "Baby" (2010), Britney Spears' "Me Against the Music" (2003), Mary J. Blige's "Just Fine" (2007), Mariah Carey's "Touch My Body" (2008) and "Obsessed" (2009), Ciara's "Ride" (2010), Mýa's "Case of the Ex" (2000), Karina Pasian's "16 @ War" (2008), and Nicole Scherzinger's "Your Love" (2014).
In 2012, he was included in Billboard's 40 Under 40, a list of music executives "who are propelling our industry with their artistic and business vision."
In 2020, Stewart signed a publishing deal with Spirit Music Group. The deal covers his future works, as Stewart sold his catalog to Hipgnosis Songs in 2018. Stewart is founder of the record label RedZone Entertainment, which has signed artists such as Frank Ocean.