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Dr. Kleiner is the owner of High Performance Nutrition, LLC, a consulting firm in Mercer Island, Washington. She has consulted with many professional teams and team members, including the Seattle Storm, Seattle Reign, Seattle Seahawks, Seattle Mariners, Seattle Thunderbirds and Seattle Supersonics, the Cleveland Browns and Cleveland Cavaliers, the Miami Heat, Olympians and elite athletes in countless sports. Dr. Kleiner has authored eight books, including the bestseller The New Power Eating, The Good Mood Diet®, and The POWERFOOD Nutrition Plan.

Dr. Kleiner is one of the foremost nutrition authorities on eating for strength, and her POWER EATING® program has reshaped the lives of thousands. The book is a bestseller and a leader in the field, and is now in its fifth edition and retitled THE NEW POWER EATING®. Dr. Sue’s Good Mood Diet® Program arose from her observations that her clients’ moods and energy levels improved with their nutrition. The Good Mood Diet® program was featured in the Seattle Post-Intelligencer and is the basis for her book, The Good Mood Diet: Feel great while you lose weight.

She is a visionary educator and motivator speaking nationally and internationally on topics in the field of nutrition, health and performance. Dr. Kleiner consults with businesses interested applying the evidence to product research and development, educational marketing and growth potential. She is a sought after expert interview as well as writer in all forms of print, online and broadcast media.

Dr. Kleiner’s credentials include a PhD in Nutrition and RD, FACN, CNS, FISSN certifications and honors. She is a co-founder and fellow of the International Society of Sports Nutrition and a fellow of the American College of Nutrition. She is a member of the American College of Sports Medicine and The National Strength and Conditioning Association.

Dr. Sue is passionate about her volunteer teaching at Can Tho University of Medicine and Pharmacy in the Mekong Delta region of Vietnam. There is no nutrition or dietetic profession in Vietnam. As part of the Medical Education Exchange Team (www.meet-international.org), she teaches clinical nutrition to medical faculty and students, and is beginning the development of hospital-based clinical nutrition teams in the region. This is an enormous job, and anyone interested in joining Dr. Sue with this teaching endeavor should please contact her directly.

While she’s not passionately promoting healthy nutrition and fitness, Dr. Kleiner stays in a good mood by spending time in the great outdoors of the Pacific Northwest with her husband and daughters. She loves lifting, cycling, yoga, dancing, hiking, playing piano, cooking, traveling, and cozying up with a good book and hot cocoa in the evening to let the intensity of the day slide away.

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View videos and hear Dr. Susan Kleiner on Radio Podcasts



Transform your body as you build muscle, lose fat, and maximize performance with The New Power Eating. Author Susan Kleiner delivers the proven strategies she’s used with male and female professional athletes and Olympians in one practical, effective resource that gives you the know-how to reach your personal goals.

Achieve your most optimal performance goals



Dr. Kleiner has changed thousands of lives through her personalized, trademarked High Performance Nutrition® and Power Eating® programs.


Dr. Kleiner consults sports teams, and start-ups and established businesses in the food, beverage, and nutritional supplement industry.


Dr. Kleiner has decades of experience in all forms of media and live engagements, and is highly respected and sought out nationally and internationally.


Author of 10 books, Dr. Kleiner continues to offer science-based advice that makes a real difference.

september, 2023


Dr. Kleiner is simply the best sports nutritionist the United States has ever produced.

The New Power Eating is a MUST for every athlete. I have used Dr. Kleiner’s information for years with the athletes I coach. In fact, I recommend her book to every high school athlete who reaches out to me. Athletes who want to get a leg up on their competition should study and apply Dr. Kleiner’s principles. The book is written in a way that is easily understood, and the concepts are very simple to follow. Dr. Kleiner is simply the best sports nutritionist the United States has ever produced.

…reap the benefits of that experience and take your game to a whole new level.

Dr. Kleiner has decades of experience working with athletes of all levels to show them what works and what doesn’t in their quest to develop power for their performance. With The New Power Eating you can reap the benefits of that experience and take your game to a whole new level.

…get all your sport nutrition questions answered…

Dr. Kleiner’s athlete-first approach to sports nutrition makes all recommendations and guidelines practical and easy to customize for any athlete. Use The New Power Eating to get all your sport nutrition questions answered by a pioneer and respected leader in the sport nutrition profession.

I feel better, play better, and I know I’ll be able to stay in the game longer.

Dr. Kleiner showed me how to focus my food and fully fuel my body. I feel better, play better, and I know I’ll be able to stay in the game longer. Add The New Power Eating to your training program and achieve your physique and performance goals.

I’ve never felt, played, or looked better!

Dr. Kleiner’s advice has made all the difference in helping me improve and extend my playing career. I’ve never felt, played, or looked better! The New Power Eating will also help you transform your physique and elevate your athletic performance.

… there is no better resource than The New Power Eating.

If you want to understand the impact that food can have on performance in power sports and learn how to design your own plan like a pro, there is no better resource than The New Power Eating.