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Dr. P.K. Newby

Scientist, Gastronome, Entrepreneur, Author, Consultant

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Dr. P.K. Newby (“The Nutrition Doctor”) is an award-winning educator, engaging speaker, and leading thought leader in all things food, farm to fork. She has been forging connections between the biological, behavioral, and environmental aspects of nutrition and food technology and standing up for science for more than two decades. Dr. Newby is best known for her infectious enthusiasm, keen intellect, sharp wit, and contagious passion, ever inspiring people to live their healthiest, most delicious lives today while building a healthier and more sustainable world for tomorrow.

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  • Dr. P.K.  Newby

P.K. Newby, ScD, MPH, MS (“The Nutrition Doctor”) is an award-winning nutrition scientist and communicator passionate about helping people live their healthiest, most delicious lives. She has studied the dietary causes of obesity, type 2 diabetes, and heart disease for almost twenty years, after receiving her doctorate in nutrition from Harvard and two master’s degrees from Columbia focused on health promotion and disease prevention. Unlike most other nutrition experts, her broad training across a wide variety of disciplines, including the social-behavioral, environmental, and biological sciences, creates a rich fabric through which she views food problems and solutions, farm to fork. Moreover, Dr. Newby knows that inspiring lasting change when it comes to nutrition is about more than science, and her life-long love affair with food again differentiates her from other thought leaders: she is a gastronome who spent ten years working in restaurant industry, and many more cooking plant-based, globally inspired meals in her own home. Yet while research has shown that approximately 80% of chronic diseases can be prevented, they remain epidemic in part due to the din of junk-science opinions dominating contemporary nutrition discourse. For this reason, she started her own company focused on bringing science back to today’s food conversations.

Dr. Newby has authored two books, two e books, cooked on television with Nigella Lawson, and consulted widely to inspire healthy and sustainable eating. She is also an Adjunct Associate Professor at Harvard University, where she recently won the Teaching Innovator Award (2015-16) for her class From Farm to Fork: Why What We Eat Matters. A visionary and dreamer, she has been talking about the future of food for many years, a subject she spoke about in Italy at the 2015 Expo Milan dedicated to “Feeding the Planet, Energy for Life.” She has received numerous awards for her work including the competitive Nutrition Leadership Award (Dannon Institute, 2005). She is an internationally recognized expert for her research centering on the dietary gestalt—not just individual nutrients or single foods—creating a paradigm shift in nutrition that has indelibly altered the way people, organizations, and policy makers think about diet and disease. In all things, she builds bridges and makes connections to expand thinking about the role of food in both our individual lives and society as a whole.

Gluten-free? Low fat? High protein Paleo? It’s a jungle out there when it comes to deciding what dietary advice will help individuals best achieve optimal health, longevity, and wellbeing. In this presentation, Harvard-trained health expert Dr. P.K. Newby discusses whether there’s any truth behind today’s fads through the lens of nutrition science. During this talk, participants will develop a basic understanding of nutritional biochemistry—no science background needed—and apply it to debunk today’s insidious diet myths. Nutrition confusion ends here.


A whopping eighty percent of chronic diseases can be prevented through lifestyle changes such as diet, yet despite all science has shown too many people suffer needlessly and cut their lives short. Why? Many people don’t know who or what to believe due to pervasive junk science opinions, for one thing, while others are turned off by lackluster diets that don’t fit their lifestyles or tastes. Changing what and how you eat isn’t easy, but it is possible. In this talk, Harvard-trained health expert Dr. P.K. Newby discusses the evidence behind nutrition behavior change, highlighting key skills that make healthy eating easy and delicious through practical, science-based tips that will transform your diet—and your life.


Food is as fundamental to human life as it is for the development of civilization itself. It is also a source of pleasure, a celebration of culture, and a foundation of health and wellbeing. To quote American writer Kurt Vonnegut, “When it comes right down to it, food is practically the whole story every time.” From hunting and gathering to contemporary living in today’s fast-paced, digital world, how we produce food and what we eat is continuously shaped by scientific discovery and engineering ingenuity that dovetail with our ever-evolving dietary preferences—for better and worse. In this talk, Dr. Newby reflects on the human journey from farm to fork, science fiction to science, and paints a picture of what our American Food 2.0 plate will look like as we approach a population of more than 9 billion.


Are you confused about what to eat when it comes to health? Do you want to lose weight but don’t know where to look, or what to believe? Does it seem like nutritionists are always changing their minds? Most people answer with a resounding “Yes!” to at least one of these questions. Indeed, nutrition confusion has reached epidemic proportions in today’s world, and Dr. Newby will discuss why it’s so prevalent and what we can do about it. Yet despite the difficulty consumers have wading through a swamp of conflicting dietary opinions, the good news is that there is an antidote to nutrition confusion. Individuals will learn six steps to sort food fact from nutrition nonsense, learning where to go and what really matters when it comes to diet.


A whopping eighty percent of chronic diseases like heart disease, obesity, and type 2 diabetes can be prevented through diet, yet too many people globally—and 1 in 2 American adults in particular—suffer needlessly and cut their lives short. Moreover, what we eat has implications far beyond our own bodies, impacting our communities and environment with each bite we take, each choice we make. Yet despite the insidious culture of anti-science and celebrity nutrition, nutrition scientists know more today about the power of food than ever before. In this talk, Harvard-trained health expert Dr. P.K. Newby highlights key dietary elements that science has shown to promote optimal weight, health, and longevity. And, happily, when it comes to diet, one size doesn’t fit all.