Fernando Alfonso works in the Department of Cardiology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria IIS-IP, Universidad Autónoma de Madrid (Madrid, Spain) as an associate professor. He oversees a doctorate program in medicine and surgery. His research interests mainly focus on in-stent restenosis; intracoronary imaging and physiology; and spontaneous coronary artery dissection. His scientific output includes 1031 publications in various journals with an h-index of 81 (Scopus, April 2024). He is the section board member of the MDPI journal JCM.