Eustathios Ksagas MD, PhD, MSc is a specialist Nephrologist, Doctor of the Medical School of the University of Athens, with many years of experience in the management of renal diseases and dedication to providing the best possible guidance and care to patients using modern scientific methods. He maintains a Nephrology and Hypertension clinic in N. Ionia, while working as a Nephrologist Consultant at the Model Nephrology Center of Attica. He was admitted to the Medical School of Athens in 2006 and graduated in 2012. Subsequently, he worked for 2 years as a Pathology resident at the General Hospital of Athens "Sismanogleio - Amalia Fleming," and from 2016 to 2022 he worked at the Nephrology and Kidney Transplantation Clinic of the General Hospital of Athens "Laiko," initially as a Nephrology resident and from 2020 as a specialist Nephrologist, where he trained in the full spectrum of modern Nephrology and concurrently completed his doctoral thesis. In 2020, he graduated with honors from the postgraduate program "Arterial Hypertension and Associated Cardiovascular-Renal Diseases." With a scholarship from the Hellenic Society of Nephrology, he pursued further training in the use of ultrasound techniques in Nephrology at the Nephrology Clinic of Klinikum Rechts der Isar of the Technical University of Munich (TUM). He has authored numerous publications in international and Greek scientific journals and has participated as a speaker at national Nephrology and Hypertension conferences.