Andrea Severo Sánchez, MD, is a cardiologist and Río Hortega Research Fellow funded by the Instituto de Salud Carlos III at the Heart Failure and Heart Transplant Unit of Hospital Universitario 12 de Octubre, Madrid, Spain. She graduated in Medicine from the University of Salamanca, receiving the Extraordinary End-of-Degree Award, and completed her cardiology residency at Hospital Universitario La Paz. She subsequently completed advanced training in heart failure and heart transplantation at Hospital Universitario 12 de Octubre. Her research focuses on advanced heart failure, heart transplantation, digital health technologies, cardiovascular biomarkers, and sex-related differences in heart failure, the latter being the subject of her doctoral thesis. She is a junior researcher at the Instituto de Investigación Hospital 12 de Octubre (i+12) and CIBER-CV and collaborates in several nationally and internationally funded research projects. She has authored numerous peer-reviewed publications and scientific communications in the field of cardiovascular medicine.