Dr. Jesús Lago Oliver
Medical and clinical director of Clínica 3 de Mayo, in practice since 2000. He is the lead surgeon on every operation: he decides with each patient whether surgery is the right option, performs it himself and then oversees the recovery.

Education and Training
2014-2017
Lecturer in human anatomy, Universidad Rey Juan Carlos.
2013
Master's degree in aesthetic surgery, Universidad Rey Juan Carlos.
2007
Specialist in legal and forensic medicine, UCM.
2003
PhD in Medicine and Surgery, cum laude, UCM.
2000-2001
Master's degree in healthcare management, Fundación Cánovas del Castillo.
1995-1999
Specialty training (MIR residency) in general and gastrointestinal surgery, Hospital Universitario Gregorio Marañón.
1994
Degree in Medicine and Surgery (Licenciatura), Universidad Complutense de Madrid.
Career
Since 2002
Clínica 3 de Mayo, medical and clinical director of the center (company incorporated on January 16, 2002).
2009-2019
Hospital Universitario Gregorio Marañón, esophagogastric and obesity surgery unit.
2007-2009
Managing director of Hospital del Sureste.
2004-2007
Hospital Universitario Gregorio Marañón, General Surgery II department.
2000-2002
Clínica Mediterrània, aesthetic and gender-affirming surgery.
2000-2001
Emergency surgeon, Sanatorio Nuestra Señora del Rosario.
Languages: Spanish, English, French and Catalan.
Credentials and Publications
- President of SETIO, the Spanish society for interventional techniques in obesity (bariatric surgery).
- Over 400 accredited bariatric procedures performed at Hospital Gregorio Marañón.
- Supervisor of a doctoral thesis, Universidad Rey Juan Carlos (2018).
- Co-author of a scientific letter on managing a leak after sleeve gastrectomy (Obesity Surgery, 2017).
- Author of an article on 10-year outcomes of the gastric band (Cirugía Española, 2013).
- Co-author of a randomized trial on trocar-site hernias (2011).
- Co-director of the Manual de Preparación al MIR, a preparation guide for Spain's medical residency exam (ICOMEM / Díaz de Santos).
- Co-author of the SETIO patient guide on the adjustable gastric band (2011).
- Member of the ICOMEM board of directors, 2000-2008. Registered with the Colegio de Médicos de Madrid.
- Doctoral thesis, UCM, cum laude, 2003.
- Author of more than 30 publications, books and scientific papers.
Professional Memberships
Center authorized by the Comunidad de Madrid. Surgery is performed at Hospital Viamed Fuensanta (Madrid).
What Our Patients Say
“I had my nose done by Dr. Jesús Lago and I couldn't be happier with the results. From the very first consultation he made me feel completely confident and came across as truly professional. He explained the whole process clearly and answered all my questions.”
Alvaro Henriquez
Rhinoplasty
“I've lost 50 kilos with the gastric band. Dr. Lago and Dr. Vázquez are always there for checkups and appointments, and I feel supported throughout the whole process, even almost 3 years after the operation.”
Eva Gonzalez
Gastric band
“I had my orchiectomy and thyroplasty at Clínica 3 de Mayo and I'm very happy with the results. After the thyroplasty I realized my Adam's apple had completely disappeared. Dr. Jesús Lago and Dr. Sara are excellent professionals.”
Julia Cerqueira Lima
Orchiectomy and thyroplasty
Reviews reflect each patient's individual experience.
Every procedure carries risks that are explained during consultation.