Key Son is a Certified Personal Trainer and Performance Exercise Specialist with over 10 years of experience in movement, nutrition, recovery, and stress management. Son has a Bachelor of Science from Cornell University and is certified by the National Academy of Sports Medicine.

Son specializes in Weight Loss and Bodyfat Reduction, Strength Training, Sports Training, and Event Preparation including Bridal Wedding Preparation. His clients include Actresses, Models, Actors, Film Directors, Film and TV Producers, CEOs, and Professional Athletes. He works in the West Village of New York City.

Son's work has been featured in Allure, Glamour, V Magazine, Elle, Vogue, and Fitness Magazine.