Known as Oprah's doctor, Dr. Mehmet Oz is the Irving Associate Professor of Cardiac Surgery at Columbia University and Founder of the Complementary Medicine Program at N.Y. Presbyterian Medical Center. He has authored more than 350 original publications, book chapters, abstracts, and books and has received several patents. His books, Healing from the Heart and Minimally Invasive Cardiac Surgery have won prestigious awards.

Award-winning author of NYT bestsellers, the Real Age Makeover books and the YOU series, Dr. Michael Roizen is the chief wellness officer at The Cleveland Clinic. He completed a tour of duty in the public health service and has 165 peer reviewed publications and 100 medical chapters, 14 US patents, started six companies, served on and Chaired a FDA Advisory Committee for 16 years. He is the co-inventor of the drug, Methylnaltrexone.

Dr. P. Murali Doraiswamy, chief of the Biological Psychiatry division at Duke University, is widely regarded as a leading thinker and medical expert in the fields of brain health and mental fitness. His new book, The Alzheimer's Action Plan, provides tips on dealing with early forgetfulness. He has also written more than 250 scientific articles.

Board certified in internal medicine, Dr. Soram Khalsa is a clinical professor of medicine and past Chairman of the Advisory Committee for the Environmental Medicine Center of Excellence at Southwest College of Naturopathic Medicine. In his private medical practice, he integrates phytotherapeutics, homeopathy, acupuncture and environmental medicine with traditional internal medicine.

Author of Water with Lemon, Zonya Foco uses humor, hard facts and common sense to help people of all ages incorporate healthy habits into their busy lives. Zonya's TV show, "Zonya's Health Bites," and popular cookbook, Lickety-Split Meals for Health Conscious People on the Go, have earned her the prestigious CSP award and is the only Registered Dietitian (RD) and Certified Health and Fitness Instructor (CHFI) in the country with this.