Dr. Thierry Hertoghe is a leading Belgian physician, endocrinologist, and internationally renowned pioneer in the field of hormone therapy and longevity medicine. Representing the fourth generation of medical doctors in his family, he has devoted more than three decades to advancing evidence-based approaches to healthy aging through hormone optimization, nutritional medicine, and metabolic restoration.
Dr. Hertoghe serves as President of both the International Hormone Society (IHS) and the World Society of Anti-Aging Medicine (WOSAAM)—two of the world’s largest medical organizations dedicated to longevity science, uniting over 7,000 physicians across more than 100 countries. Through these institutions, he has helped shape global standards in ethical hormone therapy, regenerative medicine, and preventive health.
He is also the founder and Medical Director of the Hertoghe Clinic in Brussels, an internationally respected center that offers personalized treatment programs integrating bio-identical hormone replacement, advanced diagnostic testing, micronutrient therapy, and comprehensive lifestyle medicine. The clinic is widely recognized for its rigorous, science-based approach to restoring vitality, cognitive function, and physiological balance at every age.
A prolific educator and thought leader, Dr. Hertoghe has authored multiple scientific texts, clinical handbooks, and best-selling books, including works on hormonal decline, immune system optimization, nutrition, metabolic health, and lifespan extension. His publications and teaching have shaped the understanding of hormone-related aging among clinicians around the world.
As a global speaker and educator, he has delivered thousands of lectures, workshops, and masterclasses at major medical and longevity congresses, training tens of thousands of healthcare professionals in over 30 countries. His influence has been pivotal in expanding the field of longevity medicine and inspiring physicians to adopt proactive, preventive, and highly personalized models of care.