Kalfoglou Theodoros is a Cardiologist with a private practice in Kallithea. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens, has received advanced training at Johannes Gutenberg University in Mainz, Germany, and obtained his cardiology specialty title from the University Clinic of the General Hospital of Athens "Hippokration." The doctor has extensive hospital experience across the full spectrum of modern clinical and non-invasive cardiology and 35 years of experience as a specialist cardiologist, with particular expertise in arterial hypertension, dyslipidemias, and clinical cardiology. Additionally, he actively participates in ultrasound conferences and has publications in reputable Greek and international cardiology scientific journals. Finally, he is a member of the Athens Medical Association, the Adult Echocardiography Working Group of the Cardiological Society, the Congenital Heart Disease Echocardiography Working Group of the Cardiological Society, and the Arterial Hypertension Working Group.