Dr. Zhihua   Ran is the Professor of Medicine, Chief of Department of  Gastroenterology and Digestive Endoscopy   Center, Zhou Pu Hospital, Shanghai University of Medicine & Health   Sciences. Currently, he is the member of International Organization for the   Study of Inflammatory Bowel Disease (IOIBD), Co-founder and first president   of BRICS IBD Consortium, Governing board member of Asian Organization of   Crohn’s and Colitis (AOCC), Scientific reviewer of ECCO, Director of Shanghai   IBD Research Center, associated editor of Inflammatory Intestinal Disease,   Chinese Journal of Inflammatory Bowel Disease.

上海健康医学院附属周浦医院，消化科科主任兼内镜中心主任、学科带头人

为国际炎症性肠病组织(IOIBD)委员

BRICS IBD Consortium (金砖国家炎症性肠病联盟)创始人、首任主席

亚洲克罗恩病和结肠炎组织(AOCC)常务理事
欧洲克罗恩病和结肠炎组织（ECCO）科学委员会评委

中国医学装备协会消化病学分会常委兼炎症性肠病学组组长

中国抗癌协会肿瘤肠病学专委会副主任委员

担任《Inflammatory Intestinal Disease》、《Journal of Gastroenterology and Hepatology Open》副主编、《中华炎性杂志》副总编辑
2016年11月获得英国爱丁堡大学Prof. Anne Ferguson Lecture奖，2017年获上海市会议大使称号