Dr. Gontrand López-Nava is a distinguished specialist with over 25 years of experience in the field of General Surgery, focusing primarily on innovative endoscopic procedures and technologies for obesity. Serving as the head of the endoscopic treatment department in the obesity unit at HM Madrid Hospital, Spain, he has become a prominent figure in the medical community. Dr. López-Nava earned his degree in Medicine from the University of Valladolid in 1992, subsequently specializing in Gastroenterology Medicine at San Carlos University Hospital Clinic in 1997. His remarkable contributions to the field were recognized with the Extraordinary Doctorate Award from CEU San Pablo University for his research on "Bariatric Endoscopy" and the novel approach to treating obesity. As a seasoned professional, Dr. López-Nava has held key positions in prestigious institutions, including serving as the head of the Endoscopy Service at Hospital San Rafael and later leading the Digestive System and Endoscopies Service at Sanchinarro University Hospital. In 2003, he founded and currently directs the Bariatric Endoscopy Unit at Madrid Sanchinarro University Hospital. A respected educator, Dr. López-Nava imparts his knowledge as a professor at CEU San Pablo University and delivers clinical seminars on Gastroenterology at Complutense University in Madrid. Actively engaged in the global medical community, he is a distinguished member of the American Society of Gastroenterology and Endoscopy, the Spanish Society of Obesity Surgery, and the Spanish Society for Pathology and Endoscopy of the Digestive Tract. Dr. López-Nava's impactful career includes numerous national and international publications, and he is frequently invited as a speaker at prestigious conferences worldwide.