Key Son is a Certified Personal Trainer. He has a Bachelor of Science from Cornell University and over 10 years of experience in the health and fitness industry as a digital content creator, writer, and instructor. 

Some of his clients have included Keri Russell (The Russians, Felicity), Katherine Waterston (Fantastic Beasts, Inherent Vice), Margarita Levieva (The Deuce, How to Make it in America), Shiri Appleby (Life Unexpected), Gretchen Mol (Boardwalk Empire), Hilary Swank, Marisa Tomei (The Wrestler, Spider-Man: Homecoming, Captain America: Civil War), supermodels Daria Werbowy, Doutzen Kroes, Gemma Ward, and Lily Donaldson.  

His published work includes the international workout video, Core and Curves with Marisa Tomei and his exercise book, The New York Model Workout.

Son's work has been featured in Allure, Glamour, V Magazine, Elle, Vogue, and Fitness Magazine. He trains in the West Village of New York City.

  • Custom Exercise Program Design

  • Nutritional Guidance (NASM)

  • Goal Setting and Motivational Tips

  • Ability to train clients anywhere in Manhattan