Associate Researcher in Minimally Invasive Surgery at the Università Degli Studi di Milano - Milan, Italy Specialist in Bariatric and Metabolic Surgery at the Universidad Católica de Córdoba - UCC Member of the Communication Committee of the Argentine Society for the Surgery of Obesity - SACO Member of the International Federation for the Surgery of Obesity and Metabolic Disorders - IFSO

Graduated in Medicine from Universidade Federal do Paraná (2008), medical residency from Faculdade Evangélica do Paraná (2010) and medical residency from Universidade Federal do Paraná (2012). Has experience in Medicine, with emphasis on Endocrinology and Metabology.

Director of Centro CIEN Argentina. Bariatric and mini-invasive surgery at CIEN Center. Professor at Favaloro University. Staff of DAICIM Foundation at IHU-IRCAD in Strasbourg - France.

Minimally Invasive General and Bariatric Surgeon (Central University of Venezuela). Postgraduate professor of surgery and surgical technique at that university for 20 years. Assistant professor at the Universidad Libre Seccional Barranquilla. Former governor of the Venezuelan chapter of the American College of Surgeons.

Doctorate in Medicine from the University of El Salvador. Specialization in General Surgery at Hospital Nacional Rosales, San Salvador. Training in Advanced Laparoscopic Surgery at IMSS, HGR #1, Baja California, Mexico. Fellowship in Minimal Invasion, Metabolic and Bariatric Surgery at the Cleveland Clinic Florida, USA.

He has a degree in Medicine from the Evangelical College of Paraná (1990), a Master's degree in Medicine (Surgical Clinic) from the Federal University of Paraná (1995) and a PhD in Medicine (Surgical Clinic) from the Federal University of Paraná (1999). He is currently Assistant Professor of Traumatology, Surgical Clinic II and Methodology at the Evangelical College of Paraná. He is also the Coordinator of the Bariatric and Metabolic Surgery Research Line in the Postgraduate Program in Principles of Surgery at the Evangelical Mackenzie University Hospital in Curitiba and at the Evangelical Mackenzie College of Paraná. He is also Coordinator of the Bariatric and Metabolic Surgery Service at the Evangelical Mackenzie University Hospital in Curitiba, Coordinator of the Bariatric and Metabolic Surgery Service at the Rocio Hospital in Campo Largo, and Coordinator of the Bariatric and Metabolic Surgery Service at the Hospital das Nações. He is also the coordinator of AMIL's Bariatric and Metabolic Surgery Program and a member of the clinical staff at Nossa Senhora das Graças Hospital. He is part of the Bariatric and Metabolic Surgery Service at Clinipam's Quality of Life Center and is the Coordinator of the Bariatric and Metabolic Surgery Outpatient Clinic at Hospital Santa Cruz. He holds the distinction of Fellow of The International College of Surgeons and is a Full Member of the Brazilian College of Digestive Surgery, the Brazilian Society of Bariatric and Metabolic Surgery, the Brazilian College of Surgeons, the Brazilian Society of Videolaparoscopic and Robotic Surgery (SOBRACIL) and the International Federation of Bariatric Surgery. He is also a member of the Inter-Society Relations Committee of the Brazilian Society of Bariatric and Metabolic Surgery.

Director, Division of Abdominal Transplantation, Stanford University (1998 - Present) Associate Director, Institute of Immunity, Transplantation and Infection, Stanford University (2004 - Present) Director, Fellowship in Abdominal Transplantation, Stanford University (1998 - 2020) Vice Chair, Department of Surgery, Stanford University (1995 - 1997) Director, Pediatric Liver Transplant Program, Stanford University (1995 - Present) President, International Pediatric Transplant Association (May 2021 - 2023) President Elect, International Pediatric Transplant Association (May 6, 2019) Medical Staff Distinguished Service Award, Lucile Packard Children's Hospital at Stanford University (April 16, 2015) "Excellence in Francis Moore Mentorship in the Field of Transplant Surgery" Award, American Society of Transplant Surgeons (2015) President, San Francisco Surgical Society (2010 - 2011) Honored with the 'Salute to Excellence', American Liver Foundation, Northern California Chapter (2003) First Recipient of the "Arnold and Barbara Chair in Pediatric Transplantation", Stanford University (1999) Fellow of the American Association of Surgeons (1997) Overachievement Award (Merit Award) given by Rafael A. Calderon F., President of the American Society of Transplant Surgeons (1997) Calderon F., President of the Republic, Costa Rica (1991) Fellow of the American College of Surgeons (1990) National Research Service Award, NIH (1980) Residency: UC Davis Department of Health Surgery (1984), California Internship: UC Davis Department of Health Surgery (1978), California American Board of Surgery Certification, General Surgery (1985) Scholarship: University of Pittsburgh School of Medicine (1985), Pennsylvania Scholarship: Lund University (1983), Sweden Medical Education: University of Costa Rica School of Medicine (1975), Costa Rica Fellowship, University of Pittsburgh, Transplantation (1985) Residency, University of California, Davis, Surgery (1984) Internship, University of California, Davis, Surgery (1978) PhD, Lund University, Sweden, Medicine (1983) MD, University of Costa Rica, Medicine (1975)

Fellowship in Endocrine Surgery at the Hospital Clínico y Provincial de Barcelona, Spain, from 1999 to 2001. Residency in General Surgery at the National Institute of Medical Sciences in Mexico City, Mexico, from 1992 to 1998. Intern at the National Institute of Medical Sciences of the National Autonomous University of Mexico, Ciudad de México, Mexico, from 1990 to 1991. Fellowship in Endocrine Surgery at the National Institute of Medical Sciences in Mexico City, Mexico, from 1988 to 1989. Graduated from the School of Medicine of the National Autonomous University of Mexico, Mexico City, Mexico, in 1991, obtaining the title of Doctor (MD) in 1991.