Mastorantonakis Stylianos is a Pathologist - Hypertension Specialist with a private practice in the Ampelokipoi area. He holds a PhD from the University of Athens focusing on morning blood pressure increase, graduated from the Medical School of the University of Crete, and specialized in Pathology at the 3rd University Pathology Clinic in Athens. He has expertise in hypertension, following training initially at the STRIDE Hellas-7 Hypertension Center of the 3rd University Pathology Clinic at the General Chest Diseases Hospital of Athens "Sotiria," and subsequently at the clinical and research International Circulatory Health Center (ICCH) of Imperial College London. In recent years, he has collaborated with Hygeia Hospital as a pathologist for patient hospitalization. He sees patients in his practice for pathology issues, with a special interest in the diagnosis of arterial hypertension, investigation of secondary hypertension, accurate blood pressure measurements, hypertensive disorders of pregnancy, monitoring, and therapeutic management of blood pressure. Finally, the doctor is a member of the European Society of Hypertension and has served as secretary of the Hellenic Society of Cardiovascular Health.