He was raised in Boise, Idaho, where his father worked as a high school athletic director.

[10] He got his start in professional bodybuilding at a Muscle & Fitness event during Mr. Olympia weekend in 2010.

[10] He took part in the Gold's Classic Treasure Valley Natural Bodybuilding Championship, and won.

A year later in 2011, Cook also won the Naturally Bodybuilding Championship hosted by the NPC Iron Man magazine.

[6] [15] In 2021, Cook proposed to fellow Gymshark athlete, Australian Morgan Rose-Maroney, after having been dating since late 2019.