Director, Division of Abdominal Transplantation, Stanford University (1998 - Present) Associate Director, Institute for Immunity, Transplantation and Infection, Stanford University (2004 - Present) Director, Abdominal Transplant Fellowship, 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) Francis Moore Mentorship Excellence in 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) Overcoming Award (Honor to Merit) granted by Rafael A. Calderon F., President of the Republic, Costa Rica (1991) Fellow of the American College of Surgeons (1990) National Research Service Award, NIH (1980) Residency: Department of Health Surgery, UC Davis (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 Scholarship, University of Pittsburgh, Transplantation (1985) Residency, University of California, Davis, Surgery (1984) Internship, University of California, Davis, Surgery (1978) PhD, University of Lund, Sweden, Medicine (1983) MD, University of Costa Rica, Medicine (1975)