Place of Birth: Bucaramanga Colombia.
Contact Information: anhanssen@gmail.com Telephone: (57) 3123012321 Professional address: Corredor Universitario N°1-850 Clínica Portoazul, office 411.
Professional Studies: Central University of Venezuela, Faculty of Medicine. Title Obtained: Surgeon (1990).
-Postgraduate Rotating Internship: Dr. Domingo Luciani I.V.S.S. Hospital. (1990-1992).
-Postgraduate in General Surgery (Residency): Central University of Venezuela, Dr. Miguel Pérez Carreño Hospital. I.V.S.S. (1992-1995).
-Extension Course in Minimally Invasive General Surgery (Fellowship): Central University of Venezuela (January-December 2017).
-Homologation of General Surgery Specialty.
Metropolitan University of Barranquilla (February 2018 to January 2019)
Positions held:
-Chief resident of IV surgery service. Miguel Pérez Carreño Hospital (1995).
-Chief resident of the La Floresta Medical Institute. (nineteen ninety six).
-Attending physician General Surgery Hospital Miguel Pérez Carreño 1995-2017.
-Surgeon member of the La Floresta Medical Institute staff (1996 to date).
-Professor Instructor of the Chair of Surgical Technique Universidad Central de Venezuela (1996-2001).
-Professor of the Postgraduate General Surgery Central University of Venezuela, Dr. Miguel Pérez Carreño Hospital (1996 to 2017).
-Head of the surgical area (head of operating rooms) Hospital Miguel Pérez Carreño (May 2000 to December 2003).
-Director of the General Surgery Section of the Minimum Invasion Surgery Center of the La Floresta Medical Institute (2002-2017).
-Coordinator of the Minimally Invasive Surgery Commission Miguel Pérez Carreño Hospital (2008-2017)
-Director and Coordinator of the Expansion Course in Minimally Invasive Surgery (Fellowship), of the Central University of Venezuela based at the La Floresta Medical Institute (January 2013 to June 2017).
-Assigned Surgeon Sanitas de Venezuela (2001-2017)
-Surgeon Sanitas Santa Paula Clinic (Caracas Venezuela) 2014-2017.
-Assigned Surgeon Portoazul Clinic (Puerto Colombia Atlántico) 2018- present
-Coordinator of the Ibero-American Clinical General Surgery Service (Barranquilla Atlántico) September 2020-Present.
Scientific societies:
-Colombian Association of Surgery.
-Venezuelan Society of Surgery.
-Venezuelan Trauma Society.
-Venezuelan Society of Bariatric and Metabolic Surgery (SOVCIBAM)
- Colombian Association of Bariatric Surgery (ACOCIB)
-International Federation for The Surgery of Obesity and Metabolic Disorders (IFSO).
-La Floresta Medical Institute Medical Society (member 2003-2005, vice president 2005-2007, president 2007-2009, 2009-2010).
-Fellow American College of Surgeons since October 2007. (Secretary of the Venezuelan chapter from March 2010 to December 2016. President of the Venezuelan chapter January 2107-October 2018. Governor of the Venezuelan Chapter (October 2018-October 2021).
-Latin American Association of Endoscopist Surgeons (ALACE)
-Americas Hernia Society
-Society of American Gastrointestinal and Endoscopic Surgeons (SAGES).
-Latin American Hernia Federation (FELH)
-American Society for Metabolic and Bariatric Surgery

Special areas of interest and experience:
-Minimally invasive surgery, oncological surgery of the gastro-intestinal tract, abdominal wall surgery, laparoscopic surgery of the colon and rectum, bariatric surgery, robotic surgery (certified in da Vinci surgical robot standard and Xi system), single incision surgery (LESS ), surgery through natural orifices.