Dr. Marvin Brown Jr ( aka Scientist Nyne i.e The Jott) is the founder of Demon Back Fitness, LLC. He has participated in other fitness franchises for several years.

He is a certified trainer and nutrition coach on a fitness mission to film himself and others doing extreme workouts in gyms around the world.

Having business backgrounds along with Biology, Fitness, Counseling, Psychology, and other scientific fields, he decided to created and develop a brand that represents true striving towards physical perfection.