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ACE 2016 Impact Report Download » Get a more in-depth look at the work ACE has done in the past year, as well as the progress our country has made in responding to the obesity and chronic disease epidemics.

Senior Advisors for ACE

Our team of Senior Advisors provides insight to ACE on emerging industry trends in areas of personal training, group fitness, health and fitness club environments, corporate wellness, healthcare and technology. They also assist in the development of continuing education and execution of public outreach efforts aimed at helping people live their most fit lives. ACE Senior Advisors represent our organization at industry events worldwide.

Chris Freytag

American Council on Exercise Senior Advisor - Chris Freytag Senior Advisor, Health & Fitness

A nationally recognized health and wellness expert, Chris Freytag is an accomplished blogger, author and motivational speaker. With ACE Personal Trainer, Group Fitness Instructor and Health Coach certifications, she has been training and teaching classes for more than 20 years. Freytag is the author of “Move to Lose” and a number of other books. She has also written numerous articles on health and fitness and serves as a contributing editor for Prevention magazine.

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Jessica Matthews

American Council on Exercise Senior Advisor - Jessica Matthews Senior Advisor, Health and Fitness Education

Jessica Matthews is an assistant professor of health and exercise science at Miramar College and adjunct kinesiology professor at MiraCosta College. She serves as a contributing editor for Shape magazine and contributor to CNN and The Washington Post. Matthews previously held the roles of exercise physiologist, certification director, and senior health and fitness editor for ACE. She holds a bachelor's and master's degree in physical education and is an ACE Certified Personal Trainer, Group Fitness Instructor and Health Coach.

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Chris McGrath

American Council on Exercise Senior Advisor - Chris McGrath Senior Advisor, Personal Training

Chris McGrath is the founder of Movement First, a New York City-based health and fitness education, consulting and training organization. Drawing on more than 20 years of fitness and coaching experience, McGrath specializes in sports performance, injury prevention, post-rehabilitation, and lifestyle and wellness coaching. He consults for some of the most successful organizations in the world including ACE, Functional Movement Systems, TRX, Reebok, EA Sports Active and numerous others. McGrath holds a master's degree in exercise science, a bachelor's degree in health education, and he currently serves as an adjunct professor at Long Island University in Brooklyn.

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Sabrena Merrill, M.S.

Senior Advisor, Health and Fitness Education - Sabrena Merrill, M.S. Senior Advisor, Health and Fitness Education

Sabrena Merrill, M.S., has been actively involved in the fitness industry since 1987, successfully operating her own personal-training business and teaching group exercise classes. Merrill is a former full-time faculty member in the Kinesiology and Physical Education Department at California State University, Long Beach. She has a bachelor's degree in exercise science as well as a master's degree in physical education/biomechanics from the University of Kansas. Merrill, an ACE Certified Personal Trainer and Group Fitness Instructor, is an author, educator, and fitness consultant who remains very active within the industry.

Natalie Digate Muth, MD

American Council on Exercise Senior Advisor - Chris FreytagSenior Advisor, Healthcare Solutions

Natalie Digate Muth, MD, MPH, RD, FAAP is a board-certified pediatrician and Fellow of the American Academy of Pediatrics, a Diplomat of the American Board of Obesity Medicine, registered dietitian and board-certified specialist in sports dietetics, and ACE Certified Health Coach. She is the author of "Eat Your Vegetables and Other Mistakes Parents Make: Redefining How to Raise Healthy Eaters" and has contributed to multiple ACE textbooks and manuals.

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Jonathan Ross

American Council on Exercise Senior Advisor - Jonathan Ross Senior Advisor, Personal Training

Jonathan Ross' "800 pounds of parents" inspired his fitness career that has garnered him two awards for the Personal Trainer of the Year Award (ACE and IDEA), recognition as a fitness thought leader and media expertise for Discovery Fit & Health. His book, “Abs Revealed,” is a modern, intelligent approach to abdominal training. A former astronomer, Ross likes to say that he used to study stellar bodies—now he builds them.

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Ted Vickey

American Council on Exercise Senior Advisor - Ted Vickey Senior Advisor, Fitness Technology

Ted Vickey is president of FitWell LLC, an international fitness management and design company serving corporate America, and the fitness and golf industries. His spent 11 years as executive director of the White House Athletic Center. He has collaborated with the Department of Commerce, Fruit of the Loom, Osram Sylvania, and the Securities and Exchange Commission, and also spent six years as vice president of Comprehensive Health Services, Inc. Vickey holds a doctorate degree in technology and fitness.

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