Dr. Contreras is co-founder and CEO of the Instituto Quirúrgico y Endoscópico (IQEND). Specialized in General Surgery in the Hospital for Specialties of the National Medical Center of La Raza in Mexico City. He is certified by Mexican Board of General Surgery. He specialized in minimally invasive surgery techniques in colon and rectum at the Mayo Clinic of Rochester, Minnesota, in the United States of America. Member of CONACYT's National Research System, and having been Research Director of the Arthritis Surgery Research Foundation Inc. in the city of Miami, Florida, Dr. Contreras has published several scientific papers in international journals, actively participates in numerous research, having award-winning presentations at national and international medical meetings. Passionate about his work, he constantly pursues training in multidisciplinary aspects of surgery to refine his knowledge and continue to provide the highest level of attention to his patients. His kind and professional service will let you know that you are in good hands.