Justin Grinnell is the Owner of State of Fitness, an 11,000 square foot space in East Lansing, Michigan. Opening its doors in 2010, State of Fitness is already one of the leading training facilities in the Midwest. State of Fitness has over 350 members who train every day under his leadership. He also operates a Corporate Wellness facility at Jackson National Life in Okemos, Michigan servicing over 2,300 employees. In addition to being a facility owner, Justin has been a featured writer for over seven years in the magazines Healthy & Fit and Muscle & Fitness. Justin has also written for various online publications such as Breaking Muscle and The Personal Training Development Center.
Justin has acquired over 35,000 hours of training and coaching experience in the last 15 years. He has competed in several bodybuilding shows, powerlifting, Olympic lifting, 1⁄2 marathons, and CrossFit competitions. In 2004, Justin graduated with honors from Michigan State University where he obtained a degree in Kinesiology and Exercise Science. He currently serves on Board of The College of Education at MSU. Justin has mentored over 300 students in his internship program from the Kinesiology program at Michigan State University.
Justin is a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association, a Certified Personal Trainer through the National Academy of Sports Medicine (NASM) and the International Sports Sciences Association (ISSA). Justin holds a level I certification through CrossFit and Precision Nutrition. Justin is certified in the Functional Movement ScreenTM Level II.
Justin is the author of several E-books, including “The Grinnell Lifestyle: My Nutritional Doctrine” and “How to Build a Rockstar Personal Training Internship” and “The GTS Training Model” at State of Fitness. He is a speaker for the National Fitness Business Alliance with Thomas Plummer and is on the Personal Training Advisory Board Member for Retro Fitness and KokoFit Clubs.
Justin lives in East Lansing, Michigan, with his wife, Kathleen, and two sons, Brennan and Beckett.