Marcus “Bellringer” Bell is an American music producer, songwriter, multi-instrumentalist, singer, social media influencer, activist and entrepreneur.

He has marketed and promoted, produced, remixed and written for, mentored and developed some of the world’s superstars and brands. His list of credits include Shelita Burke, Nicki Minaj, Snoop Dogg, Timbaland, Gala, Hadise, Park Jung-Ah, Amitabh Bachchan, Sony Music, HBO, Netflix, Showtime, Discovery Network, Amazon, Warner Brothers, Arista Records, EMI and Universal Music to name a few. He has also created music for worldwide brands such as McDonalds and General Mills. Marcus Bell, the entrepreneur, is the CEO of Bellringer Productions LLC, a music sync licensing and production company that operates a catalogue of over 10,000 songs and over 300 recording artists.

Bell published an Amazon #1 best selling book titled “Bellringer Branding Bible: The 5 Musician Branding Principles for Singers, Rappers, DJs, Music Producers, Composers, Writers, and Recording Artists.” Global superstar Beyonce performed to one of the songs produced by Bellringer on her "On the Run II Tour" co-headlined with husband Jay-Z.