Dr. Pesek is a trailblazing integrative physician, ethnobotanist, and professor dedicated to helping people live longer, healthier, and more vibrant lives. His work focuses on disease prevention and reversal, longevity and vital living, and sustainable models of health rooted in both modern science and traditional healing wisdom.

With more than two decades of clinical practice and international fieldwork, Dr. Pesek has studied traditional medicine and ethnobotany extensively across Central America, India, Appalachia, the Amazon, the Andean highlands, and beyond—working alongside traditional healers, elders, and scientists to better understand how culture, ecology, and biology shape human health. These experiences have informed his unique approach to medicine, which blends advanced diagnostics with time-tested practices centered on nutrition, lifestyle, plants, and the body’s innate capacity to heal.

Dr. Pesek is the Founder and President of VitalHealth Partners, an integrative medical practice focused on prevention, metabolic restoration, and longevity medicine. He also serves as Chief Medical Officer for Heinen’s Grocery Stores, where he pioneered their nationally recognized Fx or Food as Medicine initiative and their innovative Club Fx wellness program, helping tens of thousands of people improve their health through nutrition, lifestyle guidance, and personalized care.

Beyond clinical medicine, Dr. Pesek is deeply involved in advancing the science of natural health innovation. He is the Founder of Nutritional Roots, a wellness brand devoted to evidence-based superfoods, supplements, and nutritional solutions, and serves as Medical Director of Step Change Innovations, a science-backed ingredient development company focused on advancing clinically validated natural compounds for global health applications.

In addition, Dr. Pesek has served as Medical Director for a Fortune 200 company and other organizations, designing corporate wellness strategies that reduce disease risk while improving resilience, performance, and quality of life.

A respected voice at the intersection of traditional wisdom and modern science, Dr. Pesek’s work extends beyond the clinic through research, education, and authorship, including his bestselling book Eat Yourself Super and international speaking engagements. His research and teaching explore the powerful synergy between traditional plant based medicine and modern integrative healthcare.

At the heart of his work is a simple principle: human health and environmental health are inseparable. Through his clinical practice, field research, and educational efforts, Dr. Pesek continues to advance a model of medicine that honors ancestral knowledge, empowers communities, and restores the vital connection between people, food, and the natural world.