Our Scientific Reviewers

Delivering accurate and authoritative health and wellness information for 40 years.

Our Scientific Reviewers

Delivering accurate and authoritative health and wellness information for 40 years.

For 40 years, Life Extension has reported on the latest innovative advances in health and wellness. Our work is anchored in scientific discipline, from laboratory studies and clinical trials to product sourcing and formulations. We go where the science leads us and follow its exacting principles.

As such, our dedicated scientific and medical team ensures that published content is accurate, evidence-based and trustworthy. Your health deserves nothing less than the highest standards. We are committed to giving our best in the way we work, the products we create and the information and support we provide.

Meet Our Scientific and Medical Experts

Dr. Shanti Albani

ND, Physician

Dr. Shanti Albani is a Naturopathic Physician who obtained her medical degree in 2003 from the National University of Natural Medicine in Portland, Oregon. She practiced medicine for many years in central Mexico, specializing in gastrointestinal disorders and hormone balance. During this time, she taught courses in bioidentical hormone replacement therapy for physicians.

Dr. Shaylind Benson


After getting his degree in psychology, Dr. Shaylind Benson switched his focus to natural health, graduating from the Southwest College of Naturopathic Medicine with a Doctor of Naturopathic Medicine degree. He has worked for Life Extension since, focusing on hormones, neurotransmitters, and cancer.

Ben Best

BS, Pharmacy

Ben Best earned a Bachelor of Science degree in Pharmacy before getting degrees in Business Administration and Physics and Computing Science. Mr. Best served as president of the Cryonics Institute, focused on the cryopreservation of humans and pets, before becoming Director of Research Oversight at Life Extension.

Dr. Carol Campi


Dr. Carol Campi earned an accelerated BSN at the University of Miami, a DC at the Logan College of Chiropractic, and bachelor’s and master’s degrees in psychology. She is certified by the American Heart Association in Basic Life Support for Healthcare Providers (BLS). She also worked as an acute care nurse at the University of Miami Hospital.

Dr. William Davis


Dr. William Davis is a cardiologist, author and Medical Director of Undoctored.com and the Undoctored Health Workplace Program. He earned his MD from the Saint Louis University School of Medicine and ran a private practice in cardiology. He is author of “Undoctored” and the #1 New York Times Bestseller, “Wheat Belly: Lose the Wheat, Lose the Weight and Find Your Path Back to Health.”

Julia Dosik


Julia Dosik earned a Bachelor of Science in Psychology, with minors in Biology & Chemistry, at Midwestern State University in 2011. She then earned her Master of Public Health from Nova Southeastern University in 2013. She facilitated the American Lung Association’s Open Airways for Schools Asthma Education Program before holding the positions of Health Advisor and Clinical Corporate Trainer at Life Extension.

Michael Downey

Health & Wellness Author

Michael Downey is a science writer with 26 years of experience. He is the author of a McGraw-Hill/Contemporary Learning Series publication, “The Battle Within: Our Anti-Inflammation Diet,” and has written numerous feature articles for major magazines, including Reader's Digest, Maclean’s, Men’s Health, Better Nutrition, and many more. He is a senior staff writer at Life Extension Magazine®.

Juanita Enogieru


Juanita Enogieru is a community nutritionist. After obtaining a bachelor’s degree in Health Education from the University of Florida, she worked with non-profit organizations providing CPR training and HIV/AIDS and nutrition education in South Florida. She pursued a master’s degree in Dietetics and Nutrition and provides wellness coaching. Her mission is to guide those seeking nutritional balance.

William Faloon

Health & Wellness Author

William Faloon, along with Saul Kent, founded Life Extension® in 1980 with the goal of educating people on anti-aging and disease prevention. Mr. Faloon is author of “Pharmocracy: How Corrupt Deals and Misguided Medical Regulations Are Bankrupting America – and What to Do About It.” He is also a contributing author and editor of “Disease Prevention and Treatment: Scientific Protocols That Integrate Mainstream and Alternative Medicine.”

Dr. Scott Fogle

ND, Physician

Dr. Fogle has 20+ years of experience in the dietary supplement industry and is an accomplished health-care educator. He is a contributor to the book “Disease Prevention and Treatment.” Dr. Fogle was a clinical faculty member at the National College of Naturopathic Medicine (NCNM), where he completed a family practice residency and had a private practice in Portland.

Dr. Gary Gonzalez


Dr. Gary Gonzalez is a Medical Physician in Integrative Medicine. He earned a degree in Bachelor of Science in Biology from the University of Central Florida and a Doctor of Medicine degree from the Universidad del Norte. He also volunteered in Endocrinology during his breaks from medical school and completed a medical internship at Jackson Memorial Hospital.

Dr. Crystal M. Gossard


Dr. Crystal M. Gossard is a Doctor of Clinical Nutrition and a Licensed Dietitian-Nutritionist in Integrative and Functional Nutrition. She earned her Master’s degree in Nutrition Sciences from Meredith College and her doctorate from the Maryland University of Integrative Health. Dr. Gossard has more than 15 years of experience in the fields of nutrition, fitness, dietary supplements and integrative and functional medicine.

Dr. Asha Jaja-Chimedza

Ph.D., Chemistry

Dr. Asha Jaja-Chimedza earned her Master’s degree and Ph.D. in Chemistry from Florida International University after graduating with a Bachelor’s degree in Chemistry from Florida Agricultural and Mechanical University. She worked as a postdoctoral fellow at Rutgers University before becoming a Research Investigator at International Flavors & Fragrances.

Dr. Amanda Martin


Dr. Amanda Martin received her Doctor of Chiropractic degree from Sherman College and a Bachelor of Science with a concentration in Chemistry and Biology/Health Sciences from Excelsior College. She worked as a chiropractic physician for several years. She is skilled in Wellness and Nutritional Counseling, and she strives to help people take control of their health.

Dr. Cristina Matthewman

Ph.D., Neuroscience

Dr. Cristina Matthewman is a Research Scientist who earned her doctorate in Neuroscience from the University of Miami Leonard M. Miller School of Medicine. After graduating, she conducted otolaryngological research as part of a post-doctorate. She now works with discovery research and product development at Life Extension.

Dr. April Parks


Dr. April Parks is an Exercise Physiologist and a Senior Wellness Specialist at Life Extension. She earned her bachelor’s degree in Biological Sciences at Savannah State University and her Master of Science in Exercise Physiology at Life University before attending the Windsor University School of Medicine.

Dr. Vanessa Pavey


Dr. Vanessa Pavey is a Naturopathic Doctor trained as a primary care physician, skilled in medical biochemistry, phytonutrients, and nutrition. She earned her Bachelor of Science in Biology from the University of Saint Francis before training in Naturopathic Medicine at Bastyr University. She is an education scientist at Life Extension.

Andrew Roberts Jr.

MPH in Global Health, MS in Medical Health

Andrew Roberts Jr. is an experienced health adviser skilled in nutrition education, health promotion and research. He has a Master of Public Health (MPH) focused in Global Health from Liberty University and a Master’s Degree in Medical Health Science. He has also been a public health nutritional educator and a volunteer for Immunize Nevada.

Holli Ryan


Holli Ryan is a Registered and Licensed Dietitian/Nutritionist, health and wellness advocate, and blogger/writer based in South Florida. She graduated from Florida International University and is a member of the Academy of Nutrition and Dietetics. Her focus as a dietitian is disease prevention and management of health through nutrition education.

Dr. Shayna Sandhaus

Ph.D., Chemistry

Dr. Shayna Sandhaus is a scientist with a Doctorate in Chemistry from Florida International University with extensive knowledge of biochemistry. She served as a research assistant and teaching assistant at FIU before working as a scientist with a biotechnology company and then joining the science team at Life Extension.

Dr. Michael A. Smith

MD, Radiology and Internal Medicine

Dr. Michael A. Smith received his medical doctorate from the University of Texas, Southwestern Medical Center, and he practiced Internal Medicine and Radiology in Dallas, Texas in the early 2000s. Dr. Smith is the author of “The Supplement Pyramid: How to Build your Personalized Nutritional Regimen.” He is also the host of Live FOREVERish, a podcast and Facebook live show for Life Extension.

Dr. Tennoy V.


Since graduating as a medical doctor from IberoAmerican University, Dr. Tennoy has had over a decade of experience speaking about diabetes, cancer, bioidentical hormone replacement therapy, HPA-axis dysfunction, weight loss, and atherosclerosis/cardiovascular disease as part of his professional health counseling career.

Jon VanZile

Health & Wellness Author

Jon VanZile is an experienced editor and writer with a degree in Journalism from Michigan State University. He has spent years leading teams that build award-winning content libraries. As Content Director at The Wellness Network, Jon manages a growing library of print and video health content with the help of a tight-knit group of writers, editors, producers, and clinical advisors.

Dr. Kathy Wilson

Ph.D., Psychology, NHD

Dr. Kathy Wilson earned her Masters’ degree and Doctor of Philosophy from Walden University. She also earned a Doctor of Natural Health degree, Nutrition and Lifestyle from Clayton College of Natural Health, as well as a Master’s degree in Health Education from University of Nevada, Las Vegas. She is a dedicated educator with over 20 year of experience in the health and wellness industry.

Dr. Heidi Yanoti


Dr. Yanoti earned her Doctor of Chiropractic degree from Life University. She decided to pursue a career as a chiropractor because she is interested in natural approaches to health. She is also a Senior Wellness Specialist at Life Extension, which allows her to help people from around the country, and the world, achieve their health goals.



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