Dr. Dimitrios Hatzichristou is an internationally recognized leader in sexual and regenerative urology with over 30 years of experience spanning academia, clinical research, and pharmaceutical consulting. He is Professor of Urology at the Aristotle University of Thessaloniki, Greece, and President of the Institute for the Study of Urological Diseases (ISUD), a non-profit organization focused on education, clinical innovation, and public awareness. After earning his MD and PhD from Aristotle University, Dr. Hatzichristou completed a 3-year Andrology fellowship at Boston University and a visiting scholarship in prostate diseases at Stanford University. A founder and former President of the European Society for Sexual Medicine (ESSM), he has also chaired the European Sexual Dysfunction Alliance (ESDA) and served on executive and guideline committees of the European Association of Urology (EAU), the International Society for Sexual Medicine (ISSM) and the International Consultation in Sexual Medicine (ICSM) for 20 years. Dr. Hatzichristou has authored over 150 peer-reviewed papers, 30 book chapters, and more than 20 international consensus reports, accumulating over 22,000 citations (h- index 59). He is consistently listed among the Stanford University Top 2% of Scientists worldwide (top 0.5% in medicine; top 0.1% in erectile dysfunction). He combines three decades deep industry experience with scientific insight, having served as consultant, advisory board member, and principal